Too short penis may be due to physiological reasons such as heredity, or pathological reasons such as hypospadias and congenital androgen deficiency. 1. Physiological reasons: due to genetic reasons, there are no uncomfortable symptoms, just the subjective feeling that the penis is too short. 2. Pathological causes: such as urethral hypospadias, which can be manifested as abnormal opening position of the urethra, penile recumbency, abnormal distribution of the foreskin, etc., can be due to the downward curvature of the penis, resulting in the problem of too short penis; such as congenital androgen deficiency, due to the lack of hormones, which affects the development of the male secondary sex characteristics, there may be a situation in which the penis is too short. It is recommended that people with too short penis go to regular hospitals for consultation to clarify the cause, and if treatment is needed, standardize the treatment under the guidance of doctors to avoid delaying the condition.