Frequent colds can be improved by improving daily habits, adjusting diet and physical exercise to enhance immunity and strengthen the defense against germs. 1. It is recommended to improve daily living habits and dietary habits, ensure sufficient rest time, do not stay up late and avoid overwork. Avoid eating cold, spicy and greasy food. 2. 2. Eat more fresh fruits and vegetables, such as oranges, apples, garlic, carrots, etc. These foods are rich in vitamins and minerals, and can help prevent colds and flu, and can also remove harmful substances in the body to help the intestinal tract function normally, and restore the health of the body. 3. Do not smoke or drink alcohol. Usually do some physical exercise, more sunshine, more aerobic exercise, such as climbing, swimming, etc., to enhance physical fitness, climate change, pay attention to diligently add clothing, public places to pay attention to the protection, prevention of colds. Frequent colds may also be seen in other diseases, it is recommended to go to the hospital to clarify the cause of the disease under the guidance of the doctor for diagnosis and treatment.