Mycoplasma urealyticum represents a person infected with the pathogen. A portion of the population carrying Mycoplasma urealyticum has no clinical symptoms, and as the pathogen continues to multiply and invade the urethra or adjacent tissues, it may lead to a number of diseases. Infection with Mycoplasma solani may cause urethral diseases such as non-gonococcal urethritis and urinary stones. In addition, male carriers may cause male infertility. Female carriers may cause cervicitis, vaginitis, tubitis and even tubal obstruction leading to infertility, and women during pregnancy may show amniotic cavity infection and premature rupture of fetal membranes. 1, urinary system diseases 1, urethritis: Mycoplasma solani belongs to one of the common microorganisms of urinary tract infection, urethritis is the most common, usually accompanied by urinary frequency, urinary urgency, pain and other signs of urinary tract irritation; 2, urethral stones: long-term chronic urethritis may form urethral stones in the narrow part of the urethra, also belong to the urinary tract diseases caused by Mycoplasma solani. 2, reproductive system diseases 1, men: Mycoplasma solani infection positive often accompanied by epididymitis, prostatitis and infertility, can be manifested as reduced sperm activity, deformed sperm, etc.; 2, women: Mycoplasma solani infection is common in vaginitis, or upstream infection caused by pelvic inflammatory disease, cervicitis, endometritis, tubal inflammation and ovarian inflammation, the more serious inflammation can lead to tubal adhesion obstruction, the occurrence of Infertility may occur. Mycoplasma solium infection in the amniotic fluid of some pregnant women may mean susceptibility to chorioamnionitis, preterm labor, miscarriage, premature rupture of membranes, and postpartum fever.