Impotence refers to erectile dysfunction. There are more reasons for impotence at the age of 23, which may be related to psychosomatic reasons, endocrine factors, peripheral nerve injury and so on. 1. Psychosomatic reasons: psychological stress is closely related to erectile dysfunction, such as bad sexual experiences, disharmonious relationship between husband and wife, work or economic pressure, etc., which is one of the common causes of erectile dysfunction. 2. Endocrine factors: such as pituitary tumor, hypothalamic-pituitary-gonadal dysfunction. This leads to low androgen levels in the body and an increase in prolactin in the blood, which directly or indirectly leads to a decrease in testosterone levels in the body, which can lead to erectile dysfunction. 3. Peripheral nerve injury: Surgery of bladder, prostate, pelvic fracture or colorectal organs may injure the cavernous nerve or pubic nerve, destroying the nerve pathway and leading to erectile dysfunction. Impotence at the age of 23 can also be seen in other causes, it is recommended that patients go to the regular hospital in a timely manner, follow the doctor’s instructions for relevant examinations, with the help of the doctor to clarify the causes, and targeted treatment or treatment, and strive for early recovery.