Red spots on the foreskin can be seen in conditions such as glabellitis, eczema or scabies. 1. Foreskin glansitis: inflammation of the glans and the mucous membrane of the foreskin, which can be caused by the stimulation of foreskin scale, long foreskin or various infectious factors, etc. It can appear in the red spots on the foreskin and glans, and can also form mound pustules or small pustules, which can be gradually enlarged. 2. Eczema: If the local sweating, and airtight, can be induced by the foreskin eczema, can appear in the foreskin area of flaky red spots, on which can be seen on the papules or mounds of herpes, often with intense itching. 3. Scabies: an infectious skin disease caused by scabies mite parasites in the human body, can invade the external genitalia such as the penis, scrotum and other parts of the body, appearing with inflammatory reddish pimples, scabies mites can cause a foreign body reaction when they die, the appearance of dark red nodules, known as scabies nodules. There may be other reasons for the red spots on the foreskin, and patients need to consult a doctor for timely examination and early treatment.