The head of the glans does not usually have subcutaneous blood vessels, if the protrusion of blood vessels is considered to be a hemangioma of the glans or other diseases, it is recommended to go to the hospital for further examination to clarify the cause. 1, hemangioma can occur in any part of the multi-capillary, manifested as local blood vessel group loop-like thickening with local protrusion, accompanied by obvious pain, etc., but can also be without any conscious symptoms. If there is hemangioma, local excision or sclerotherapy can be considered. 2. Local occupancy of glans, such as penile cancer, can cause protrusion of blood vessels on the surface of the cancer, and accompanied by local bleeding symptoms, which can be seen as local ulceration of glans, with unsmooth surface and more It can be seen that the glans is ulcerated, the surface is not smooth and there is more secretion with bad odor, etc. If it invades the urethra, it can also be accompanied by abnormal urination. It is recommended that a local biopsy be performed to further clarify whether there is a malignant occupancy.