In the face of the grim situation of sexually transmitted diseases, particularly the AIDS epidemic, Governments and health administrations at all levels have taken a series of preventive and control measures, including strengthening the Government’s leadership and coordinating role in prevention and treatment, formulating medium- and long-term plans and relevant regulations and policies, and vigorously carrying out surveillance, health education, professional training and behavioural intervention. At the same time, it has implemented a systematic project to educate all people about sexual morality, establish a scientific and civilized concept, popularize knowledge about the prevention and treatment of sexually transmitted diseases, and stop the spread and propagation of sexually transmitted diseases. The following is an introduction to the clinical characteristics of common sexually transmitted diseases: First, gonorrhea: it is an inflammation caused by Neisseria infection of mucosal surfaces. The incubation period is generally 1 to 10 days, an average of 3-5 days. Yellowish-white mucopurulent discharge from the urethra, burning pain or itching when urinating, some may be asymptomatic. Examination: redness and swelling of the urethral opening, pus discharge when squeezing the urethra. It can invade the cervix, urethra, rectum, eyes or throat of a person, and often coexists with chlamydia. Second, non-gonococcal urethritis:Non-gonococcal urethritis (NGU) is a sexually transmitted disease caused by a variety of pathogens other than gonococcus. Pathogens are mainly Chlamydia trachomatis (CT) and Mycoplasma (UU). There are also Trichomonas, Candida albicans, and herpes simplex virus. The incubation period is 1-3 weeks. Clinical symptoms are predominantly urethral tingling with urgency and dysuria, accompanied by pain in the lower abdomen or pain during intercourse. Urethral discharge is mucous. 75% of female patients and 25% of male patients do not have symptoms. This disease is easy to recur, and can be complicated by prostatitis, epididymitis, proctitis, salpingitis, and so on. The first thing you need to do is to get a good deal of money to pay for it. The incubation period is about half a month to 8 months, an average of 3 months, acromegaly male is mainly seen in the body of the penis and the coronary groove, glans, prepuce tie, urethra, urethra, anorectal and other places. Women often invade the labia majora, labia minora tie, vaginal opening, vagina, urethral neck and other places. A small number of patients may present with acromegaly outside the genital anus, such as between the cracks of the toes, oral mucosa, tongue tie, umbilical fossa, armpits, breasts and other places. The first thing you need to do is to find a way to get rid of the warts. The first thing you need to do is to find a way to get rid of the warts, and then you need to find a way to get rid of the warts. The majority of acromegaly patients do not have any conscious symptoms, only a few have itching, burning pain or bleeding. The first step is to make sure that you have a good understanding of the situation, and that you have a good understanding of what is happening. It is mainly transmitted through sexual intercourse, and can also be transmitted to the next generation through the placenta. Stage I syphilis appears in 2-4 weeks after unclean sexual intercourse, most of them occur in the genital area, typical scleroderma is a papule at the beginning, and soon breaks down into an ulcer, with a diameter of 1-2cm, round, with cartilage-like hardness on palpation, without pain and pressure pain,. Stage II syphilis tends to be dominated by skin and mucous membrane damage, the rash is of various forms, and flat warts can also appear. Stage III syphilis is mainly harmful to bone, nerve and cardiovascular. Fifth, genital herpes: it is a recurrent, incurable viral disease. Most of them are caused by HSV-2. Incubation period of 3 ~ 14 days, clinical manifestations for the external genitalia or anus around the group nest set or scattered small blisters, 2 ~ 4 days rupture to form vesicles or ulcers, conscious of the pain, and finally pick up the scabs since the cure, the course of the disease 2 ~ 3 weeks. Skin lesions are mostly found on the male prepuce, glans, coronal sulcus and penis, etc.; females are mostly found on labia majora and minora, mons veneris, clitoris and uterus. It is accompanied by systemic symptoms such as inguinal lymph node enlargement, pressure pain, fever, headache and fatigue. Recurrent genital herpes occurs within 1-4 months after the primary outbreak. Often occur in the original site, recurrent genital herpes than the primary genital herpes systemic symptoms and lesions light, short course, before the rash patients often have prodromal symptoms such as localized burning sensation, pins and needles sensation or sensory abnormalities. Performance for the external genitalia or anus around the group nest small blisters, ulcers formed erosion or ulcers, self-conscious symptoms are light, the course of the disease 7 ~ 10 days since the cure. Interval of 2~3 weeks or more than a month after re-emergence, recurrent attacks after one year of infection. Six, AIDS: (AIDS) pathogen that is HIV (HIV), the incubation period of children an average of 12 months, adults an average of 29 months, individual patients can be more than 5 years, the longest up to 14.2 years, the shortest is only 6 days (the input of blood products and infected) to lymph node enlargement, anorexia, chronic diarrhea, weight loss, fever, malaise, and other systemic symptoms as a feature of the gradual development of a variety of infections, secondary (viii) Noma: in our country, noma is the most common form of malnutrition. Seven: soft chancre: less frequent in China, the causative agent is Haemophilus ducreyi, with an incubation period of generally 3 to 7, up to 2 weeks. It is characterized by painful genital ulcers and suppurative inguinal lymph node enlargement. Eight, inguinal lymphogranuloma: less incidence in our country, caused by Chlamydia trachomatis, incubation period of 1 ~ 4 weeks, the average of 7 ~ 10 days, the most common clinical manifestations are unilateral inguinal or femoral lymph node tenderness, enlargement.