Umbilical moxibustion is moxibustion of the navel, i.e. Shenque point, which has the effect of warming and tonifying the middle yang, restoring yang to save reversal (saving fainting, unconsciousness, etc. by warming and tonifying the yang qi), and inducing water retention and eliminating oedema (relieving urination and removing oedema). 1. Warming and replenishing the middle yang: Umbilical moxibustion can warm and replenish the middle yang, treating the diseases of coldness and deficiency, such as long-term chronic diarrhea, dysentery, cold pain in the abdomen, dysmenorrhea and other diseases of women. 2. Returning to Yang: Navel moxibustion can play the role of returning to Yang, can be used for the treatment of defecation, a lot of sweating and other diseases. 3. Water retention and swelling: diseases such as edema of the limbs and dysuria (unruly urination) can also be treated by navel moxibustion. However, it should be noted that: umbilical cord injury, inflammation and pregnant women are prohibited, just after eating should not moxibustion umbilical cord, not too close to the umbilicus, moxibustion for too long in order to avoid burns, need to be operated under the guidance of a doctor.