The main ways to enhance immunity include a balanced diet, adequate sleep, moderate exercise, maintaining a healthy mental state, etc. Drugs (such as intravenous human immunoglobulin) can also be used when necessary. Which is the fastest way is different from person to person and cannot be generalized. 1. Balanced diet: moderate consumption of fresh fruits and vegetables and high-quality protein, such as eggs, lean meat, milk, etc., is conducive to the improvement of immunity. 2. Adequate sleep: more rest and less late at night, to ensure adequate sleep is conducive to the recovery of body functions, thereby improving the body’s immunity. 3. Moderate exercise: through a variety of sports such as jogging, swimming, doing yoga, etc., and according to the individual physical quality of the appropriate amount of exercise, can improve immunity. 4. Maintain a healthy mental state: an optimistic state of mind is essential to good health, and you should learn to regulate yourself psychologically in your daily life. 5. Use of drugs: If the patient appears more serious immunity low situation, can also follow the doctor’s instructions to use the appropriate amount of static injection of human immunoglobulin and other drugs to improve immunity. Specifically which method to enhance immunity faster, vary from person to person, if the relevant discomfort, it is recommended to consult a doctor in a timely manner, in accordance with the doctor’s instructions standardized diagnosis and treatment.