In our daily life, we can improve our resistance and immunity through adhering to physical exercise, good dietary habits, good living habits, and ensuring psychological health. 1. Adhere to physical exercise: Adhere to appropriate sports, strengthen the body exercise, such as climbing, jogging, swimming and other aerobic exercise, can increase the number of immune cells, to improve the function of the immune system has a relatively positive effect. 2. good diet: diet needs to pay attention to nutritional balance, to ensure that the body needs the intake of nutrients, eat more new fruits and vegetables rich in minerals, vitamins, and protein-rich meat, seafood, etc., to improve the body’s immunity also has a more positive effect. 3. good habits: good habits, quit smoking and drinking, and ensure the quality of sleep, can promote the body to increase albumin, and can strengthen the detoxification function of the liver, so as to effectively kill the invasion of bacteria and pathogens. 4. Ensure psychological health: maintain an optimistic mindset, avoid emotional tension and anxiety, relax and reduce stress moderately, which will also help the healthy growth and development of the body. If you are suffering from an underlying disease, you should be treated in a timely manner to avoid the deterioration of your condition and the adverse effects it may cause.