The external treatment method is one of the precious heritage of the great treasury of Chinese medicine, with a long history and a long history. It is simple, convenient, effective, inexpensive, effective, quick and has little side effects on internal organs, and it is combined with the internal treatment method to achieve complementary effects. Commonly used methods include compressing, fumigation, soaking, medicinal bath, external application, enema, etc. It has good advantages in treating various types of cold gastrointestinal diseases, enteritis, constipation, incomplete intestinal obstruction, acute pancreatitis, etc.