Normal semen is a viscous liquid mixture composed of spermatozoa and seminal plasma; the role of spermatozoa is to combine with the egg to form a fertilized egg for the purpose of procreation; seminal plasma accounts for more than 90% of the volume of semen, which is mainly a mixture of secretions from accessory glands such as prostate, seminal vesicle and urethral bulbourethral glands, and also includes a small amount of testicular fluid and epididymal fluid. Seminal plasma contains a large amount of water, but also contains fructose, proteins, polypeptides, a variety of other sugars, enzymes, inorganic salts and organic small molecules, whose role is to provide nutrients and energy for the spermatozoa; modern medicine shows that semen as a normal physiological substance in the human body, does not have the efficacy of beauty. When the body appears urethritis, prostatitis and other diseases, semen may also appear in the bacteria, etc. Do not blindly use semen beauty, semen beauty is no scientific basis, if you are not feeling well, timely medical examination, treatment.