Occasional colds are good for the body. Colds are acute upper respiratory tract infections, and occasional colds are normal, usually 2~3 times per year. Colds will stimulate the immune system, activate immune cells, and produce immune-regulating substances, which will have a stimulating and enhancing effect on the body’s resistance. If the cold symptoms are not serious, you can drink more water, rest more, pay attention to warmth and other ways to promote healing, do not need medication; when the cold symptoms are more serious, such as high fever, severe cough, dizziness, headache and severe patients may be secondary to bacterial infections, you need to go to the hospital in a timely manner for treatment, give anti-infective such as penicillin, fever such as ibuprofen, cough and phlegm, such as licorice tablets, carboxymethylstilbestam tablets, etc., so as to avoid the condition from further development. Colds can be very serious. When the disease is more serious, the cold will damage the body, need to seek medical treatment in time, can’t enhance the resistance of the body through the cold, you can drink more water, more exercise, balanced nutrition, more protein and vitamins to enhance the resistance.