1, late-onset hypogonadism: commonly known as menopause. About 40% of men in their 40s to 70s may experience some degree of memory loss, inattention, mood swings, irritability, depression, easy fatigue, insomnia or drowsiness, hot flashes, sweating, and reduced penile erectile function. The above symptoms can be treated with androgen testing and related treatment at the hospital. 2, male puberty development delay / male puberty development early (precocious puberty): about 11 to 12 years old, most boys will appear to height surge and lower voice tone? This is normal male puberty development. Generally speaking, when boys reach the age of 14, if there is still no sign of significant increase in testicular size and/or no sign of secondary sexual development, you should pay attention to the possibility of delayed male puberty development. 3, male sexual dysfunction: androgens and some other hormones are abnormal may have a greater impact on male sexual function. When sexual dysfunction occurs, it is very necessary to test the sex hormones, if there are sex hormone abnormalities can take the appropriate treatment. 4, sexual differentiation abnormalities: the past called hermaphroditism, including true hermaphroditism, male pseudohermaphroditism, etc.. The performance is partly male characteristics and female characteristics at the same time. In the treatment can take surgery, endocrine combination of comprehensive treatment. The prostate gland disease treatment range: Prostatitis: Mostly seen in young people, can appear urinary frequency, urinary urgency, incomplete urination, scrotal, perineal discomfort and other symptoms. Benign prostatic hyperplasia: Mostly seen in men over 50 years old, often with symptoms such as frequent urination, nocturia, difficult urination and incontinence. Prostate cancer: Mostly seen in older men, it is difficult to differentiate from BPH and often requires blood tests and ultrasound and MRI imaging to identify. Other diseases such as prostate stones and cysts