The reason for the insensitivity of the glans is usually related to excessive masturbation and excessive sexual life, masturbation and excessive sexual life will lead to frequent engorgement of the glans and decrease in sensitivity, you should promptly quit masturbation and reduce sexual stimulation, develop good self-control, and recover the sensitivity after a period of time, without special treatment. The above reasons are excluded, the glans is not sensitive is typical erectile dysfunction, need to have a professional doctor for targeted treatment, before treatment need to find the cause, see is psychogenic erectile dysfunction or organic disease or combined erectile dysfunction, determine the cause can generally take drugs, physical therapy, surgery and psychological counseling and other ways to comprehensive treatment, surgery can Surgery can be chosen from dorsal penile nerve blocking.