Umbilical cord therapy is to make a suitable dosage of medicine and apply it to the umbilicus, so that the medicine can directly reach the foci of diseases through the meridians, in order to play a role in the prevention and treatment of diseases. This method is one of the methods of internal and external treatment in Chinese medicine, and belongs to the category of transdermal drug delivery in modern pharmacology. It is one of the unique therapies in Chinese medicine, and is popular among doctors and patients because of its wide range of adaptations and effects and characteristics that cannot be achieved by internal or other treatments. Belly button, point name Shen Que, is located in the central recess of the abdomen, belongs to the meridian system in Chinese medicine, an important point of the Ren line. The navel is the thinnest part of the abdominal wall, without subcutaneous fat, but very rich in blood vessels, so the drug is easy to penetrate and absorb, plus the drug is not destroyed by the interference of gastric enzymes, so the dosage is small and fast, especially suitable for patients with gastrointestinal and liver diseases, and because it is not metabolized by the liver, it can reduce toxic side effects, so it is an ideal route of drug delivery. According to the analysis of clinical symptoms, Chinese medicine practitioners apply the corresponding Chinese medicine to the umbilical cord to regulate yin and yang, support the righteousness and eliminate the evil, strengthen the spleen and Yang, and harmonize the stomach and intestines. The characteristics of navel therapy: simple, convenient and effective, navel therapy is the first shortcut to treat diseases of the middle jiao, and it can be used for all diseases of the whole body. The medicine acts directly on the affected area through the meridian, which is more direct, reaching the foci of the disease and exerting the medicinal effect directly, with stronger effect. The route of drug administration is safer, and the scope of treatment has covered a variety of diseases in various disciplines such as internal, external, gynecological and pediatric, and has a high medical and health care value. It is easy to observe and understand the changes of the disease at any time, and add, reduce and replace at any time, and few side effects occur, which has the characteristics of stability and reliability. For patients who are too young or too old to take oral medication, navel therapy is more convenient. Navel therapy is good for patients with symptoms such as upper abdominal discomfort, pain, abdominal distension, erratic, nausea, vomiting, poor bowel movement, constipation, diarrhea and increased exhaustion, as well as functional symptoms such as insomnia, anxiety, inattention, forgetfulness, hypersensitivity, headache, fatigue, coldness, and cold hands and feet. The operation is very simple: clean the navel and lie down, take the right amount of prepared medicine, make a paste with ginger juice or yellow wine, honey and vinegar, incorporate it into the navel, cover it with gauze and fix it with breathable adhesive tape. Generally retain for 6. 12 hours. The time can be shortened for those with sensitive skin and extended for those with good skin tolerance, but preferably for no more than 24 hours, generally for 2 to 7 days.