Penis always flow clear sticky fluid may be physiological causes and pathological causes, physiological causes do not need treatment, pathological causes can be treated with drugs. 1. Physiological reasons: In sexual excitement, the tension of the prostate gland increases, can be squeezed out or secretion of some prostate fluid, can be transparent and thick and usually do not contain sperm, generally is a normal phenomenon, do not have to be overly nervous, and do not need special treatment. 2. Pathological causes: (1) prostatitis: the penis is always flowing transparent thick liquid may also be prostatitis inflammation stimulation. It can also be accompanied by frequent urination, urinary urgency, urinary pain and other uncomfortable symptoms, need to make a clear diagnosis. After the diagnosis is clear, follow the doctor’s instructions to use drugs and other means of treatment, acute prostatitis can be applied to broad-spectrum penicillin and other drugs, chronic prostatitis commonly used antimicrobial drugs such as levofloxacin. (2) urethritis: the penis is always flowing transparent thick liquid may also be urethritis, may be caused by inflammation stimulation. It can also be accompanied by painful urination and other uncomfortable symptoms, which need to be clearly diagnosed. Gonorrheal urethritis can apply ceftriaxone and so on, non-gonorrheal urethritis can apply levofloxacin and other drugs. There are many other reasons for the phenomenon that the penis always flows transparent and sticky fluid, it is recommended that such patients go to a regular hospital, cooperate with the doctor to complete the relevant examination, clear reasons, and actively deal with. The above drugs should be applied under the guidance of a doctor.