Prostate secretion generally refers to prostate fluid, which is controlled by androgens and is an important component of semen. Prostate fluid is the secretion of the prostate gland, its secretion is controlled by androgens, the normal male daily secretion of 0.5 ~ 2 ml. Prostate fluid is also an important component of semen and is one of the seminal plasma components of semen. Prostate fluid contains certain proteins as well as high concentrations of zinc ions, acid phosphatase, protein hydrolase and fibrinase and other substances. It can promote the formation of fertilized eggs, and can also stimulate the vitality of sperm and promote the liquefaction of semen. The normal color of prostate fluid is milky white or translucent, if the color becomes yellow or cloudy reddish, or flocculent, it may be due to prostatitis, urethritis and other diseases. Prostate secretion, also known as prostate fluid, if its color and character change, go to the hospital for examination to avoid delaying the condition.