Mycoplasma gynecologicum infection is a relatively common pathogenic microbial infection in clinical practice. The test can be performed by smear of urethral secretions, direct smear of pathogens and fluoroscopy, and bacterial culture. First of all, if there are more white blood cells on the smear of urethral discharge and no gram-negative diplococci or other pyogenic streptococci are found after gram staining, it can be considered as a case of mycoplasma infection. In addition, the results of the examination by direct smear of the pathogen to monitor the positive rate, whether it appears positive performance, if there is a positive performance, indicating the presence of mycoplasma infection, cell culture, in the cells directly found mycoplasma pathogens, you can confirm the diagnosis.