Urethritis is not a gynecological inflammation, the disease is mainly caused by pathogenic infection of the urethra, patients often appear frequent urination, urethra itching and other symptoms. 1. Etiology: UTI is mainly due to gonococcal and non-gonococcal infections, and can be transmitted through sexual contact. Meanwhile, the infection rate is higher in the age group of 15~24 years old and lower in the age group of 35 years old and above. 2. Symptoms: usually gonococcal urethritis female patients are mostly asymptomatic or have mild symptoms, which can be manifested as urinary urgency, painful urination, redness and swelling of the urethra, and urethral discharge. While male patients will appear in the early stage of the disease, urinary urgency, urinary pain and other symptoms, followed by the phenomenon of urethral redness and swelling, and urethral secretion will change from thin to yellow pus. If it is non-gonococcal urethritis, most patients are asymptomatic, some male patients will also appear urethral itching discomfort, urethral secretion increased, the secretion is white and thin, some patients can be found in the urethra of the blood crusts and so on. Female patients can be manifested as increased leukorrhea, leukorrhea yellow or bloody, etc., can also be accompanied by a strange odor. It is recommended that patients with urethritis should seek timely medical examination and treatment according to their own situation, and take reasonable treatment measures to avoid delaying their condition.