Tests for red-green color blindness in small children are recommended to go to regular hospitals or medical checkup centers for examination, using professional test charts to ensure accurate diagnosis. Red-green color blindness in children is mostly due to genetic factors, and the incidence of the disease in children is significantly higher when there is a history of the disease in both parents or in the family. The most accurate way to test is to go to a regular hospital and let the child observe the color blindness chart, and let the doctor make a clear diagnosis, so as to avoid parents jumping to conclusions blindly, which may cause too much psychological pressure on the child. There is no good treatment for children’s red-green color blindness, you can follow the doctor’s instructions by wearing corrective glasses to improve the symptoms, but can not achieve the purpose of treatment. It is recommended that parents should strengthen the children’s nutrient intake, appropriate exercise, ensure adequate sleep, etc., which will help the children’s normal growth and development.