A few coughs a day are usually normal, but other abnormalities such as pneumonia, tuberculosis and other diseases cannot be ruled out. 1. Normal situation: If you feel a foreign body or odor irritating the airway, a few coughs are normal. However, it is necessary to go to the hospital in time for examination to clarify whether there is a throat disease. 2. Abnormal situation: If the cough is not much, but at the same time with yellow pus sputum or blood sputum is not a normal phenomenon. You need to go to the hospital in time to see if you have pneumonia, tuberculosis and other diseases. If the coughing symptoms continue to be unrelieved, it is recommended to go to the hospital in a timely manner to clarify the cause of the disease, under the guidance of the doctor for treatment.