Increased prepuce is often seen in patients who are circumcised or overcircumcised, and is a typical manifestation of an episode of glansitis. There are a large number of sebaceous glands between the foreskin and the penis, when inflammation occurs or due to other causes of stimulation, resulting in a high secretion of sebaceous glands there will be a buildup of foreskin scale. 1, the primary disease, such as patients like to eat spicy, alcohol, smoking, staying up late, and poor personal hygiene, resulting in a high secretion of sebaceous glands, there is a buildup of foreskin scale, usually do a simple cleaning can be disposed of. 2, secondary to Other diseases. For example, diabetes, gonorrhea or syphilis, and these diseases, in addition to the increase in foreskin scale, will also appear glans and urethral surface abnormalities, such as erosion, congestion or ulcers.