The local flushing of the glans is an abnormal phenomenon, not a normal phenomenon. Mostly consider the local existence of infection or the existence of prepuce, prepuce, local existence of more prepuce, chronic irritation and other factors caused. It is recommended to go to the hospital for relevant examinations to clarify the specific causes. A local flushing, may be accompanied by acute exudation or with the surrounding erosion, mostly consider the presence of glansitis. The infection may be bacterial or fungal, trichomonas, etc. It may also be caused by unclean sexual contact, and may be accompanied by local itching or increased secretions, and requires a smear examination of the local glans secretions or a swab examination of the red and swollen area to clarify the pathogenic bacteria of the infection. Second, if there is circumcision, prepuce, it may lead to insufficient local cleanliness. This can occur when there is more foreskin scale or dirt, and long-term chronic irritation can lead to local flushing, accompanied by itching, etc. Local cleaning and circumcision are required.