Ways to enhance immunity include scientific diet, good work and rest, physical exercise and so on. 1. Scientific diet: Dietary modification has a better effect on improving human immunity. Usually, you can take in fat-soluble vitamins, vitamin C and minerals, which are substances that can build immunity. Common foods include dark-colored vegetables, mushrooms, and root vegetables, such as spinach, shiitake mushrooms, and carrots. Secondly, you can also supplement high quality protein and oligosaccharide with immune regulating function, such as eggs, beans, milk and so on. 2. Good work and rest: A good work and rest routine helps metabolism and keeps the body energized. Therefore, you should not stay up late and sleep late, and ensure sufficient and regular sleep. 3. Physical exercise: Proper physical exercise can improve cardiopulmonary function and promote metabolism. Secondly, it can also enhance the activity of immune cells, to improve the role of immunity. Enhancing immunity plays an important role in the prevention of disease, so you should develop good diet, rest and exercise habits. However, if you fall ill, you should seek medical treatment as soon as possible.