Colds and coughs usually get better in 7 days, but the exact time varies depending on the individual. Most colds and coughs are caused by viral colds, and the infected virus is self-limiting, so cold symptoms can be relieved in about 7 days. If the patient’s own resistance is poor, the self-healing time may be prolonged. Cold patients should pay attention to more rest, drink more water, if the persistent failure to improve, you need to go to the hospital in a timely manner for relevant examinations, timely and clear cause of the disease, and under the guidance of the doctor for treatment. Cold and cough patients need to pay attention to avoid smoking, avoid alcohol, avoid stimulation of the respiratory tract to aggravate the cough. At the same time, pay attention to light diet, supplement vitamins and water, pay attention to indoor air circulation.