Chlamydia, which means Chlamydia in Chinese, is a pathogen between bacteria and viruses. Chlamydia is divided into Chlamydia pneumoniae and Chlamydia trachomatis. Chlamydia pneumoniae is airborne and can lead to pneumonia, resulting in coughing, sputum, fever, and respiratory distress. Azithromycin is required for treatment, and it is recommended that masks be worn in public places to effectively prevent the disease from occurring. Chlamydia trachomatis is mainly transmitted through sexual intercourse, can be transmitted through unprotected sex and high-risk sex, leading to frequent urination, urinary urgency, painful urination, urethral pus symptoms, but also on the human body reproductive function caused by adverse effects, can be applied to tetracycline antibiotics for treatment, the effect is very good. Therefore, usually pay attention to private life, when having sex must wear a good condom.