Reducing the sensitivity of glans can be done by changing daily life style, medication, surgery, etc. Medications should be applied under the guidance of doctor. 1. Changing daily life style: In daily life, you can massage the glans properly to reduce its sensitivity. When having sex, wear a condom to reduce the sensitivity of the glans. 2. Drug treatment: when having sex, you can apply lidocaine ointment, bupivacaine hydrochloride and other local anesthetics to reduce the sensitivity of the glans. 3. Surgery: If the foreskin is too long, circumcision can be used, which can reduce the sensitivity of the glans to different degrees. You can also use dorsal penile nerve block surgery to reduce the sensitivity of the penis and glans. Drugs should be used under the guidance of a physician, the method varies from person to person, and those with this disorder are advised to go to the hospital for consultation and treatment.