Sexual diseases are mainly contracted through sexual contact, and the common ones are syphilis, gonorrhea, condyloma, soft chancre and AIDS. Not all sexually transmitted diseases have obvious early symptoms, so there is a large margin of error in determining whether you have a sexually transmitted disease on your own. The actual fact is that you can find a lot of people who have been in the business for a long time, and they’ve been in the business for a long time. For example, gonorrhea can appear in the urethra with sticky discharge, genital herpes can appear in the anal discharge, most of the discharge will be accompanied by obvious odor or bad smell; 3, abnormal urination: due to the infection of pathogenic bacteria, can lead to inflammation of the urethra, urination burning pain, stinging, difficulty in urination, etc.; 4, lymph node swelling: common is inguinal lymph node swelling, patients The patient can feel swelling and pain when touching the inguinal lymph nodes, which are commonly found in soft chancre and venereal lymphogranuloma. The majority of STDs can be cured by early detection and systematic treatment. Therefore, it is recommended that patients should seek medical attention promptly if they find abnormal symptoms, so that the diagnosis and treatment of the disease will not be delayed due to the feeling that it is difficult to talk about it.