After men enter middle age, with the gradual decline of testicular function, endocrine dysfunction will occur, and a series of manifestations similar to women’s “menopause syndrome” will appear, called male menopause. Generally speaking, male menopause is 3-5 years later than female menopause. The following 12 questions can be used as a self-assessment: 1, using the original myopia glasses have been unable to read books and newspapers, but take off the glasses to look closer but clear, indicating that there is “aging”. 2, eye fatigue easily, read a book for a long time after feeling headache, dizziness. 3, sleep less than before, early to bed and wake up early. 4.Drinkers are not drinking as much as before. 5, hearing is significantly weakened. 6, loose teeth, can not bite hard food. Those who have dentures have to change them frequently. 7, the taste of food changes, subject to eat sweet, sour, spicy, salty and other heavy diet, indicating that the sense of taste has diminished. 8, addicted to snacks, especially preserves, which is related to the loss of taste. 9.Decrease in sexual desire. 10, memory loss. 11.Begin to miss the past of childhood. 12.Study and work energy is not as good as before, and even have a feeling of incompetence. If 4 or more of the above 12 points are positive, it indicates that you have entered menopause.