Often squeeze out transparent mucus in the urethra men may be the cause of urethritis, prostatitis, etc. Women may be due to urethritis, bacterial vaginitis and other diseases. 1. Male (1) Urethritis: Urethritis may be caused by non-gonococcal pathogens, gonococcal pathogens infection, the symptoms of urethral tingling, painful urination, urethral discharge, etc., males may appear white thin liquid, some patients may be manifested in the urethra often extruded transparent mucus. (2) Prostatitis: Prostatitis may be caused by pathogen infection, sedentary lifestyle, alcoholism, improper diet and other factors. Patients may have burning pain in the urethra, increased urethral discharge, and accompanied by pain, fever and other symptoms, some patients may appear in the urethra often squeeze out clear mucus symptoms. 2. Female (1) Urethritis: the causes and symptoms are the same as those of men, but the difference is that women may have increased leukorrhea. (2) Bacterial vaginitis: Bacterial vaginitis may be caused by bacterial infection, sexual impurity, vaginal douching and other factors. Symptoms are increased vaginal discharge, itching, burning sensation, etc. Patients may experience frequent extrusion of clear mucus from the urethra. There are many reasons that lead to the frequent squeezing of clear mucus from the urethra, and it is recommended that patients identify the cause of the disease in time.