Fear of sexually transmitted diseases syndrome is a psychiatric disorder that belongs to the category of phobic neurosis. The disease has no typical STD symptoms, and all clinical tests for STDs that can be done are negative. However, the patient himself is convinced that he suffers from STD and is dominated by numerous self-conscious symptoms, which cannot be clinically explained by any of the STD, so it is called STD-phobic syndrome. Etiology: 1.Has a history of more than one unclean sexual intercourse, and this produces fear. 2, read STD information or heard STD propaganda, and have a plausible understanding of STD, mistakenly confused all the symptoms of STD, and find out the symptoms similar to their own. 3.Misdiagnosed with STD in private clinic. 4.A close friend of yours has an STD. 5.Has a history of unclean sexual intercourse many years ago, currently suffering from other diseases. 6, had suffered from STD, has been cured, but still rest assured, any discomfort of the body is considered to be a recurrence of STD. Clinical manifestations: The disease is more common in men than women, age 20-45 years old, about 70% of the patients have a history of sexual contact or have suffered from STDs, half knowledge of STDs, convinced that they are infected with STDs. The central symptom is intense anxiety caused by terror and panic that cannot be restrained, so it manifests as mental depression, silence, fear and anxiety, and inability to relieve oneself. As a result, insomnia, nightmares, palpitations, cold sweats, dizziness, head sinking, blurred vision, loss of appetite, and weakness of the limbs. Most patients complain of “back pain, lumbago, joint pain, abdominal cramps, penile cramps, scrotal cramps, and cold and sweaty scrotum. Individual patients even think that death is just around the corner; due to excessive mental burden, no interest in the surrounding things, especially the fear of passing the disease to the lover, most people intentionally avoid sexual life, and sexual function decreases in those who have been ill for a long time. During this period, any physical discomfort of the patient is considered to be related to STD. The physical discomfort of any member of the family is thought to be caused by their own infection, and some patients have suicidal thoughts. The common characteristics of this disease: 1. Suspect that you are infected with STD. 2. 2.Trying to find the body discomfort, collect books and magazines about sexually transmitted diseases, the more they look like, they are sure that they are suffering from sexually transmitted diseases. 3.The normal physiological and psychological phenomena of human body are often considered to be the symptoms of STD, and repeatedly emphasize the subtle episodes that are thought to be related to STD but are not, in order to draw the doctor’s attention. 4, according to the patient’s self-diagnosis of a certain STD to give treatment, self-perceived symptoms to reduce, but still have discomfort, after stopping the drug symptoms aggravated, the drug dependence is very strong. 5.Seeking medical treatment everywhere, not only do not accept the negation given by regular doctors, but also think that the medical skill is not high. Believe in the charlatan doctor deception, let them treat indiscriminately, the result is the worse the treatment, until the patient’s mental breakdown, financial resources exhausted. Diagnosis: The diagnosis can be made when there are no abnormal findings in any laboratory tests related to STDs and no positive signs, and the duration of the disease lasts for more than 3 months. Treatment: 1.Patiently listen to the patient’s complaints, carefully check the condition, should do more explanation to the patient’s complaints, let the patient try to understand more about STD, in order to establish trust in the patient’s mind to the medical staff. 2, the patient proposed the examination and laboratory items as far as possible to meet, if necessary, can again make the relevant clinical and laboratory examination, in order to release doubts. 3.If necessary, implication therapy can be carried out. For the more severe symptoms can be given sedatives or tranquilizers are often effective. 4.For those who had a history of unclean sexual intercourse when they were young and have other symptoms after old age, they should ask for consultation from relevant departments after excluding STDs to avoid delaying other conditions.