There are several ways to improve low immunity: firstly, you must pay attention to a healthy lifestyle, go to bed early, ensure sufficient sleep and do not stay up late, the impact of staying up late on human immunity is very huge. Secondly, we must supplement rich nutrition, balanced diet, more high-quality protein, high-quality protein from lean meat, milk, eggs, sea cucumber, etc.; low immune function can also seek the help of Chinese medicine, by strengthening the spleen and kidney can effectively improve the immune function.