It should belong to the category of moxibustion. The navel is the acupoint, and Yuanrou moxa stick is attached to the acupoint to fight the cold. In line with Chinese medicine.

First of all, I should pay attention to my diet. I seldom eat greasy food and puffed food. I don't overeat, drink or drink less. Secondly, I often do various activities, such as running, doing push-ups, sit-ups and so on. In addition, I also use a Chinese medicine to lose weight, which is called milk hinge slimming capsule. In this way, I lost nearly 30 pounds in two months. According to the Science and Technology Daily, most of the navel slimming stickers sold online are made of cassia seed and Atractylodes macrocephala. Cassia seed and Angelica sinensis have the function of relaxing bowels and can treat constipation. Atractylodes macrocephala, Poria, Fructus Aurantii Immaturus, Alismatis Rhizoma and Astragali Radix have diuretic effects; Massa Medicata Fermentata and Crataegus pinnatifida have certain laxative, diuretic and digestive effects. There are many traditional Chinese medicine ingredients in navel stickers, but can you really lose weight? Actually, it is not. According to the Life Times, there is also navel moxibustion therapy in Chinese medicine, which can promote metabolism and reduce fat, and has a certain improvement effect on people with weak constitution and patients with gastrointestinal dysfunction, neurasthenia, cold blood stasis and poor blood circulation. Belly-navel stickers also use the same principle, and its traditional Chinese medicine ingredients such as hawthorn, poria cocos and cassia seed really help to lose weight and relax bowels. After they are absorbed subcutaneously by Shenque point, some people may have the effects of relaxing bowels, promoting blood circulation and removing blood stasis, and losing weight. But Chinese medicine pays attention to syndrome differentiation according to constitution, and there are many types of obesity. The traditional Chinese medicine ingredients contained in belly button patch may have a certain effect on spleen and stomach qi stagnation obesity, but it is ineffective on other types of obesity. In addition, even if the belly button patch is effective, the effect will not be obvious. If you don't pay attention to taboos and exercise more, you will rebound.