The redness of the glans after a few touches is mostly a normal physiological phenomenon, in addition, there may be localized infections or allergies and other factors. 1. Normal phenomenon: if in the state of sexual excitement, penis erection, glans congestion, touch a few times on the red is a normal physiological phenomenon, or penis in the sexual stimulation, touch a few times penis erection, red is also normal. 2. Infection or allergy: If the glans is infected by external bacterial fungi and other pathogenic bacteria, it may cause abnormal sensitivity, resulting in redness when the glans is touched a few times, and most of them are accompanied by pain, itching and other symptoms; the glans is in contact with the external allergenic substances, which will cause local skin erythema, rash, itching, blisters and other phenomena, which will also result in redness when the glans is touched a few times. The glans is red when touched a few times, if it is a physiological phenomenon does not need treatment, if it is caused by the disease should be timely medical treatment.