There is no best way to enhance the immunity of a 7-year-old child, but you can enhance the immunity of the body through adequate exercise, ensure sleep time and reasonable diet. 1. Adequate exercise: It is recommended that children should maintain adequate exercise to improve muscle strength and promote blood circulation throughout the body, thereby enhancing the body’s immunity. 2. Ensure sleep time: rest fully at night, try to go to bed early and get up early, do not stay up late, can effectively improve the body’s immunity. 3. Reasonable diet: It is recommended to have a balanced diet, eat reasonably, avoid picky eating, eat fresh vegetables and lean meat and other foods with high protein content to promote immunity. 7-year-old children if there are symptoms of physical discomfort to the hospital in a timely manner, under the guidance of the doctor to improve the body’s immunity.