Different STDs have different examination methods, and the common ones can be clarified through blood test, secretion test, acetic acid white test and other examination means to determine whether they have STDs or AIDS. 1. Blood test: syphilis can be diagnosed through blood test for syphilis serology; AIDS can be diagnosed through blood test for AIDS antibody, nucleic acid and antigen; genital herpes can be diagnosed through test for herpes virus specific antibody. 2. Secretion examination: Gonorrhea can be diagnosed through smear and culture of urethral and cervical secretions or nucleic acid test of gonococcus. 3. Acetic acid white test: the examination of warts can be confirmed by acetic acid white test on the lesion. It is recommended that the patient go to the hospital in time to further clarify the diagnosis.