Catgut embedding therapy can treat more than 200 kinds of diseases (refer to Ren Shusen's book Catgut Embedding Therapy at Acupoints of Traditional Chinese Medicine), especially for some difficult diseases, chronic diseases and painful diseases, such as trigeminal neuralgia, which can relieve the pain at that time and have good long-term effect without damaging nerves. It is an ideal method to treat trigeminal neuralgia in traditional Chinese medicine conservative therapy at present, which has a good analgesic effect on gout and can eliminate purine acid to achieve the goal of radical cure. Catgut embedding therapy can also play an important role in cancer treatment. If the analgesic effect on chest pain of lung cancer is ideal, the response to radiotherapy and chemotherapy can alleviate vomiting symptoms and improve the curative effect. Catgut embedding therapy has the characteristics of simple operation, safety, time saving and low cost. It is suitable for primary medical units and worth popularizing.