The redness and peeling of the glans without pain may be caused by physiological factors, or it may be caused by diseases such as glansitis. 1. Physiological factors: the patient’s hygiene and cleanliness is not in place, the use of soaps or detergents containing irritants to wash the glans, there will be redness, peeling of the glans without pain. 2. Glans inflammation: usually due to pathogenic microbial infection, circumcision, traumatic stimulation and other factors leading to inflammatory lesions on the glans, inflammatory media stimulation of the glans, the surface of the redness, desquamation, accompanied by burning sensation, itching and other symptoms. Patients with redness and peeling of the glans may have other reasons, such as allergies, etc., and should go to the hospital for examination in a timely manner, and choose the appropriate method of treatment under the guidance of the doctor.