Most of the STD neuroses have fear and anxiety, anxiety or depression, self-reported dizziness and headache, insomnia, nightmares, palpitations, loss of appetite, tinnitus, and fatigue. They often feel that they can’t urinate smoothly, or that their urethra is itchy, painful and uncomfortable, and that there is “discharge” from the urethra. Scrotum, lower abdomen pain and discomfort, back pain, seminal emission, premature ejaculation, menstrual disorders, decreased libido, etc. In severe cases, the patient may feel a sensory allergy such as insect bite in the urethra or insect crawling in the vagina. Patients often have certain qualities and personality traits before the disease, such as dependence, shyness, passivity, timidity, sensitivity, suspiciousness, etc. Psychological abnormalities: half knowledge of the transmission of STD, one-sided exaggeration of the possibility of non-coital contact, high fear of STD, suspicion that they have contracted STD. Behavioral abnormalities: mainly high vigilance and avoidance of possible ways of transmitting STDs, such as not daring to share a room with a spouse, separating all daily necessities from others, repeatedly forcing to wash the cause of insect bite feeling in the urethra or insect crawling feeling in the vagina: 1. Self-factors: half knowledge of the ways of transmitting STDs. Exaggerate the possibility of non-coital contact. History of extramarital or premarital intercourse, masturbation or other sexual behavior. Although many clinical and laboratory tests to rule out sexually transmitted diseases. But still suspicious and anxious. You have been treated and cured of STD. But still do not worry. I’m afraid of a resurgence. Patients often have certain qualities and personality characteristics before the disease, such as dependence, shyness, passivity, timidity, sensitivity, suspicious, etc. 2, medical factors: misdiagnosis or improper interpretation, such as misdiagnosis of non-STD as STD, mild disease into serious disease. Excessive exaggeration of STD infectious and harmful. Illegal practitioners, non-STD or healed STD patients as STD patients, administering large prescriptions, expensive drugs or administering unnecessary tests and other treatments, increasing the psychological and economic burden of patients. The pathogenesis is not well understood, but it is generally believed that the disease is a compulsive neurosis of its own, in the lack of sexual knowledge, inappropriate propaganda, memory of its own behavior, as well as psychological stimulation, trauma-induced psychological behavior abnormal, with the fear of sexually transmitted diseases as the content of neurological symptoms.