Red spots on the glans are usually abnormal. Red dots on the glans is likely to be a manifestation of glansitis, the main reason for this is that the foreskin is too long and the prepuce, bacteria and other pathogens are easy to accumulate in the prepuce to trigger an inflammatory reaction, the glans will appear red dots, and will be accompanied by oozing, itching, odor, when staying up all night, stress, emotional instability, eating greasy and other stimulating food, the body’s immune system decreases, triggering inflammatory reactions. If there are red spots on the glans during erection and the red spots disappear after weakness, this situation is caused by localized congestion during erection, which is a normal phenomenon. Diseases caused by the red spots on the glans, the treatment needs to do circumcision so that the glans is exposed, to keep the glans clean and hygienic, to avoid sex for the time being, and to maintain a good life style.