Leprosy phobia is a clinical diagnosis of disease phobia. Leprosy terror is a neurosis characterized by a strong fear of leprosy disease, and some patients have a timid, shy, dependent, introverted personality. How are such symptoms diagnosed? Disease terror examination is mainly for patients corresponding to the horrible disease to do the relevant examination, such as the fear of AIDS, need to do AIDS-related antigen antibody test; syphilis terror, need to do syphilis serum test, genetic diagnosis technology to detect syphilis spirochetes, syphilis antibody titer-related experiments; leprosy terror, need to carry out leprosy bacillus examination, leprosy bacteriophage test, etc.. Through these tests to determine the absence of disease, thereby dispelling or reducing the patient’s concerns. Others: X-ray, electrocardiogram, blood and urine tests, etc. The pathogenesis of the disease is not well understood. The disease is generally considered to be an auto-compulsive neurosis. In the lack of knowledge of the disease, inappropriate propaganda, memory of their own behavior, as well as mental stimulation, trauma-induced psychological behavior abnormalities, the fear of disease as the content of neuropsychiatric symptoms. The main measure of prevention is to keep a good state of mind, improve psychological quality, master and understand the basic knowledge of related diseases, avoid rumination, if you do consider signs of illness, please go to the hospital for examination in time, pay attention to early detection, early diagnosis and early treatment, avoid long-term suspicion that you are suffering from a certain disease, which leads to psychological problems and causes mental trauma. If necessary, please seek help from a psychologist in time.