Before treating mycosis fungoides, it is important to first understand the causes of mycosis fungoides and to treat them accordingly. The main causes include the long-term use of high doses of broad-spectrum antibacterial drugs. In addition, the long-term application of large amounts of adrenocorticotropic hormones and long-term high-dose radiation exposure, as well as the use of high doses of immunosuppressive drugs. In malnutrition, old age and frailty, some wasting diseases, surgery, etc., resulting in low immunity of the body, can produce a decrease in leukocyte phagocytosis and bactericidal function, can produce mycotic esophagitis. Mycobacterial esophagitis to carry out a combination of prevention and treatment, first of all, should prevent the infection caused by medical factors, and strictly grasp the indications for the use of antibiotics and hormones. Treatment methods are mainly two types of Chinese medicine and Western medicine, Chinese medicine, including tin class San, Yunnan Baiyao, allicin, etc.. Western medicine includes mycobacterium, ketoconazole, fluconazole, itraconazole and other antibacterial treatment, all have efficacy.