Venereal disease (venerealdisease) is traditionally thought of as a disease transmitted through the act of sexual intercourse, with the primary lesion occurring in the genital area. They include syphilis, gonorrhea, soft chancre, venereal lymphogranuloma, and inguinal granuloma. STDs are a group of common infectious diseases widely prevalent in the world, and show a trend of expanding epidemic scope, decreasing age of onset, and increasing drug-resistant strains, especially the significant increase of AIDS, which has become a serious public health problem. The prevention and treatment of STDs will be a very difficult and long-term task. So, how to prevent STDs? The following are three effective ways to prevent STDs: 1. For STDs transmitted mainly through sexual contact, such as viral condyloma acuminata, bacterial gonorrhea and non-gonorrheal urethritis, soft chancre, etc., the first should avoid sexual contact with patients or suspected carriers. The actual fact is that you can find a lot of people who have been in the business for a long time. For those who have not yet been cured of STD, it is absolutely forbidden to have sex with spouses, and not to share bathtubs and tubs with family members, and it is better to live in separate rooms and beds. Do not care for children, especially young girls, in order to avoid the spread of STDs within the family. In addition, develop good personal hygiene habits, do not use other people’s towels, tubs, razors, etc.: strengthen your sense of self-protection in public places such as hotels, baths, swimming pools, etc.; do not take drugs and do not use imported blood products easily. In short, to regulate their behavior with moral code, either any STD can be prevented. 2, family isolation disinfection family members with STDs, should be strictly isolated. Separate rooms, separate beds, separate and exclusive use of toiletries and cutlery and drinking utensils; the patient’s nong and underwear should be washed singly, and it is best to boil or disinfect with disinfectant (such as anti-washing spirit, high-sensitive iodine, etc.) before washing, or disinfect with saturated salt water immersion. Develop good hygiene habits and wash your hands before pooping. Pay attention to the hygiene of the pubic area, use warm water or saline to wash once a night to keep the pubic area clean. The family members who are in close contact with STD patients, especially spouses, should be reminded to go to STD clinics for examination and treatment to detect and prevent the problem in time. 3, prevention of childhood STD With the increasing number of STD patients, children suffer from STD repeatedly occur. Therefore, in order to the healthy growth of the next generation, to stop the spread of STDs, prevention of childhood STDs has come to the point of no delay, and to do this, the first thing to know how children are infected with STDs. There are three ways to get infected with STDs in children. One is through close contact with the sick mother and infected, such as gonorrhea vulvovaginitis, condyloma acuminata, etc.. The second is indirect transmission within the family. It is common for parents with gonorrhea to be infected by sharing a bed or bath with their children, or by sharing household items. Infection can also occur in public places such as baths, swimming pools and hotels.