There are many causes of male hypogonadism, mainly divided into the following categories: 1, mental and psychological factors: including disharmony between husband and wife, social and family environment, work and life stress, anxiety, depression, bad sexual experience, inadequate sexual stimulation, etc.; 2, vascular causes: including arterial and venous causes, such as hypertension, hyperlipidemia, diabetes, obesity or venous valve 3, neurological causes: including central nervous system diseases, peripheral nervous system diseases; 4, endocrine causes: such as diabetes, thyroid disease, hyperprolactinemia; 5, surgery or trauma: such as radical surgery of the bladder, prostate; 6, other factors: such as drug-related factors, chronic prostatitis, congenital penile dysplasia, are causes of male sexual hypogonadism.