TCM in China

Cupping in China: the marks, the cost, the reality

The mark is a bruise, and it is produced by suction. That single sentence answers most of the questions first-timers ask — why it looks alarming, why it lasts after you leave, and why making it darker is not the point.

Reviewed 2026-09-21. The guidance on how long cups stay on and how the marks behave is quoted from Chinese provincial health authority patient information, cited at the foot of this page. This is general information, not medical advice.

What is actually being done

A cup is applied to the skin and the air inside it is removed, by flame, by boiling, or by a pump. The resulting negative pressure pulls the skin and the tissue just beneath it upward into the cup. What you are looking at afterwards is a localised collection of blood under the skin from that suction — the same family of mark as a bruise, produced by vacuum rather than impact.

The official Chinese price description of the procedure is worth reading, because it shows exactly how the state frames it. The item 中医拔罐 is defined as a practitioner using a cup as a tool, applied to a fixed area of the body surface by various means, and quotes this as the intended effect: promoting the free flow of meridians and collaterals, moving qi and blood, dispelling wind and cold (促进通经活络，行气活血，祛风散寒).

That language is a description inside traditional Chinese medicine theory, which is why it appears in a government price document. It is not a clinical claim about an outcome, and this page does not repeat it as one.

The methods differ in how the vacuum is created, and the names reflect that:

• Fire cupping, the most common in hospitals. The flash-fire method — briefly introducing a flame into the cup and immediately applying it — is described in Chinese patient materials as the safest and most widely used of the fire techniques, provided the alcohol-soaked swab is not overloaded, because dripping alcohol is what causes burns.
• Boiled cups — bamboo cups simmered in water or a medicinal liquid, then applied warm. This is also how herbal ingredients can be introduced into the treatment. Because heat is harder to control this way, published guidance says it should be used with discretion on people with diabetes, sensitive skin, or on delicate areas.
• Suction pumps — a plastic cup with a hand pump. Common at home, and Chinese guidance suggests doing it under professional direction rather than improvising.

How long the cups stay on

This is where mainstream practice and the guidance agree, and neither supports leaving them on for as long as you can stand.

• 5–10 minutes is the ordinary retention time given in Chinese state-media health guidance, with an explicit maximum of 15 minutes.
• A provincial health authority for Chinese medicine says 10–15 minutes is the appropriate range in normal circumstances, and notes that a case where blistering is actually intended — which is a clinical decision, not a spa treatment — is what would justify 20–30 minutes.

Both numbers land in the same place for a routine session: minutes, not half an hour. If a cup is left on noticeably longer than that without a clinical reason, the extra time is buying you risk, not effect.

How long the marks last

Published Chinese sources give two different figures, and both are worth knowing so that nobody can tell you a number you cannot check.

• A provincial health authority for Chinese medicine states that the marks generally fade in about a week.
• Other official health information describes them as fading after a day or two.

The gap between those two is the real answer: it depends on how much suction was used, how long the cup was on, and how your own skin behaves. A common clinical description puts light marks at 3–4 days and very dark ones at closer to two weeks. If someone promises you a specific number of days, they are guessing.

What the mark should not do is break the skin. Blisters are a sign the retention time or the suction was excessive. Guidance is that a small blister needs no intervention and will absorb on its own, while for a larger one a clinician will drain it under sterile conditions, apply burn ointment and cover it. A blister or a raw area is a wound, and needs treating as one.

What it feels like

A strong pulling and tightening sensation as the cup seats, then steady pressure and warmth while it stays on. Afterwards the area feels tender, in the way a bruise is tender. Some people find it pleasant; some find it uncomfortable and want it off, which is a normal reaction and a good reason to say so.

Sharp pain is different from pressure, and it is worth saying something immediately rather than enduring it. Published patient guidance also notes that during retention, if the sensation becomes unbearable, the cup should be removed promptly.

What the colour means — and what it does not

In traditional Chinese medicine theory, mark colour is read as one indicator among several — light red associated with certain patterns, dark red with others, deep purple with long-standing problems in that area. Chinese state health reporting presents the colour as a signal the practitioner can use, and it is worth being precise about the boundaries of that claim.

What that same reporting is clear about is that colour is not a diagnostic result you can read yourself, and that colour deepens with suction strength and retention time — meaning a dark mark is partly a record of how hard the cups were applied. A province's health authority states the point directly: the colour gives useful feedback, but you should not increase suction or extend the time in order to make the mark darker.

Who should not have cupping

Chinese provincial patient guidance publishes the following as situations where cupping should not be used:

• broken, ulcerated, oedematous or allergic skin at the site
• bleeding disorders, or unexplained internal bleeding
• high fever with convulsions
• pregnancy — abdomen and lumbosacral area
• over large pulsating blood vessels and over the heart

That list comes from Chinese health authorities rather than from us, and it is the practical reason a properly run clinic asks questions before it starts. If nobody asks you anything before applying cups, that is information about the clinic.

What it costs

Note the unit on that last line. Primary-care lists in some places still price cupping per cup, an older structure that the current provincial schedules have replaced with a flat per-session fee. Read the unit before you compare — ¥10 per three cups is not the same number as ¥41 per session.

One rule protects you from a padded bill: in the provincial schedules, using several different types of cup in a single treatment is not charged cumulatively. Fire cups plus moving cups plus flash cups in one session should not come out as three separate charges at the top rate.

Afterwards

Chinese patient guidance is direct about the day of treatment: keep the area warm and out of the wind, and do not shower or bathe on the same day, with a four-hour interval given as the minimum before contact with water. Marks fade in their own time. If the skin has broken, it needs the same care any wound does.

The honest version

Cupping is cheap — around the price of a coffee — brief, and by the standards of TCM procedures it has little capacity to hurt you as long as three things hold: the cups do not stay on for a long time, they are not repeated on the same patch of skin, and nobody uses the mark colour as a reason to go harder.

The marks are the part that affects your week, not your health: they are bruises and they will be visible on any skin a swimsuit does not cover. Plan the timing accordingly, and do not let anyone sell you the darker version.

Spotted something inaccurate, or has the guidance changed? Tell me and it gets corrected.

This page is informational only and is not medical advice. The contraindication list above is reproduced from Chinese health authority patient guidance and is not a substitute for a practitioner asking about your situation. Prices are provincial and change. Last reviewed: 2026-09-21.