There are many reasons why the glans is not engorged: first, if the recent masturbation or excessive sexual life will be due to sexual nerve overexcitation and fatigue, which will lead to a loss of libido, penile insecurity, glans bleeding and other symptoms of erectile dysfunction; second, excessive psychological pressure, mental tension can also lead to erectile dysfunction; third, disease problems, such as problems with the blood vessels in the penis will affect blood circulation When the body suffers from certain diseases, such as chronic prostatitis, hypogonadism, diabetes, hyperlipidemia and other diseases will lead to different degrees of sexual dysfunction; fourth, may be taking certain drugs, such as hypertension, psychosomatic disease treatment drugs will cause erectile problems.