If you suffer or may suffer from STD, STD-related diseases, please go to the dermatology department or skin venereal disease department of a regular hospital in time, the regular hospital treatment will provide you with a good treatment advice, which is very helpful for how to treat the STD you suffer from. Remember, you should not easily go to an irregular or private hospital, rather than not treat or be intimidated by a traveling doctor. The main common STDs are: 1, gonorrhea: (gonococcal infection caused by urethritis, vaginitis or cervicitis) 2, non-gonococcal urethritis (cervicitis): including Mycoplasma (Mycoplasma solium, Mycoplasma humanum, Mycoplasma genitalium), Chlamydia, etc. 3, syphilis: is caused by syphilis spirochete infection. 4, condyloma acuminata: is caused by human papilloma virus infection. The most important thing is that it is not only a good idea to have a good understanding of the situation. 6. Soft chancre: caused by infection with Haemophilus ducreyi. 7. Lymphogranuloma venereum: caused by Chlamydia trachomatis infection. 8. AIDS: caused by human immunodeficiency virus infection.