Chlamydia can be referred to the Department of Infectious Diseases, Department of Obstetrics and Gynecology, Department of Urology and other departments according to different situations. 1. Internal medicine: Chlamydia can cause a series of infectious diseases, if you are not sure where the infection is, you can consult the internal medicine department for examination. 2. Obstetrics and gynecology: If you are a woman or a pregnant woman, chlamydia may cause uterine abnormality, preterm labor, miscarriage, and other related conditions, and you can consult the obstetrics and gynecology department for consultation. 3. Urology: If the urethra and other urinary system is infected with chlamydia, in order to better treatment, you can hang up the urology department for consultation. As chlamydia may also cause pneumonia, gastroenteritis, conjunctivitis, bronchitis and other related diseases, patients can also hang other departments according to different conditions, you can go to the hospital’s guidance desk for consultation.