1, gonococcal urethritis, the old name “gonorrhea” typical performance is the urethral orifice pus outflow, can be stained underwear, because the gonococcus is acute purulent cocci, so the onset of time is short, generally unclean sexual contact after 3-5 days. 2, non-gonococcal urethritis, mainly mycoplasma, chlamydia infection, typical performance for the urethral orifice discharge, but relatively thin, some patients have no clinical symptoms. 3 foreskin glansitis, the most common, foreskin glans with discharge, some have small blisters, conscious itching. 4, genital herpes, as a cluster of small blisters on the genital area, can be accompanied by pain, easily recurring. 5, syphilis: clinical manifestations are diverse, some can be latent state, depending on the individual system. The most common stage I syphilis is an ulcer on the genital area, which is painless and round, and can heal on its own if not treated for about 2 weeks, after which it is latent and enters stage II syphilis. Stage II syphilis typically presents as round, bronze-colored, infiltrative erythema on the palms of the hands and soles of the feet, with no conscious symptoms. Some have a vague rash on the body, and some have alopecia, a worm-like hair loss like a bug bite. As some syphilis is latent, many people do not have symptoms until late, such as senile dementia, it may be caused by stage three syphilis. 6, condyloma acuminata: the genital area occurs rice grain-like, cockle-like superfluous organisms, easy to recur. In short, STDs are more dangerous, especially genital herpes and syphilis two diseases, pregnant women such as genital herpes easy to miscarry or lead to fetal abnormalities, if the pregnant mother suffers from syphilis, the child may suffer from congenital syphilis, affecting the development of the child. It is not terrible to have STD, but it is the indiscriminate treatment and mis-treatment. For the sake of your health, we suggest you go to a regular hospital for treatment.