Under normal circumstances couples who have not gotten pregnant for more than a year without using contraception can be called infertile. It can be adjusted by improving the diet and physical condition and finding out the causes. 1. Improve diet and physical condition: In daily diet, you can eat more fresh fruits and vegetables and foods rich in high protein and vitamins, such as eggs, milk, beef, and a variety of fruits and vegetables; usually need to insist on exercise, can be strong and healthy, keep a good mood. 2. Find the cause: infertility has both male and female causes, male causes, such as sperm quality and quantity of abnormalities, congenital developmental abnormalities, etc.; female causes, such as tubal impassability, polycystic ovary syndrome, etc., need to determine the cause of the disease in order to take the appropriate treatment measures and methods. For infertility, both men and women need to be examined and treated together, and they need to consult a doctor in time to give targeted treatment and therapy under the doctor’s guidance.