More bloody moles on the male scrotum may be localized malformed vascular masses or have aneurysmal conditions. If there are no obvious discomfort symptoms, no special treatment can be required. If there is a significant increase in the vascular mass or subcutaneous malformed vessels over a period of time, or if there is a significant increase in the individual volume, treatment should be promptly carried out in a dermatology department. Surgical procedures such as laser freezing and radiofrequency ablation can be performed, and hormonal drugs can be applied to treat these diseases, which can provide better relief. It is also seen in hematologic diseases, such as abnormal coagulation function, which can also appear in the mucous membrane of the skin, including the scrotum area, and this kind of blood mole under the skin is mainly due to abnormal coagulation function, and it is recommended to conduct coagulation function test to clarify.