1, the penile frenulum is short and tight, causing pain during erection or sexual intercourse in men.

2. Repeated tearing and bleeding of prepuce frenulum caused by sexual intercourse. Long-term and repeated sexual pain not only affects and dilutes the feeling of sexual pleasure, but also affects the frequency, amplitude and intensity of penis twitching, making it difficult to stimulate the excitement of ejaculation center, making ejaculation less painful, limiting erection and making sexual intercourse impossible.

3. Pain Fear of sexual life will definitely affect the quality of sexual life. If it is not corrected for a long time, it will increase the inhibition of cerebral cortex, which will eventually lead to low sexual desire, erectile weakness and even impotence.

Extended data

The openings of all organs of the body are the first line of defense for the body's immune prevention. Glands in the foreskin can secrete antibacterial and viral proteins, such as lysozyme, which also exists in tears and breast milk.

Specific epithelial cells, such as Langerhans cells, are part of the immune system and are rich in the outer surface of the foreskin. Plasma cells in the foreskin mucosa can secrete immunoglobulin, which is an antibody to prevent infection.

The foreskin covers the penis head and protects the penis head. In primitive humans, this function is more prominent. Primitive humans often have various mosquito bites in deep mountains and forests because of hunting and other activities. Because the penis head is a sensitive and easily stimulated part, because of the covering of the foreskin, people can complete various activities more conveniently.

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