Pregnant women can take cephalosporin under the guidance of a doctor when their cough is caused by bacterial infections, but cephalosporin is usually ineffective when it is caused by viral infections, which should be judged according to the actual situation. Pregnant women belong to a special period, in the use of drugs and drug dosage should be detailed provisions, if due to bacterial infection caused by cough usually cephalosporin is useful, under the guidance of the doctor can be taken, if due to other reasons, the therapeutic effect is relatively poor, but also may have a certain impact on the development of the fetus. Therefore, it is recommended that pregnant women with cough symptoms go to the hospital in time for a detailed examination of signs and symptoms, such as routine blood tests, c-reactive protein, calcitoninogen, viral antibodies, etc., according to the actual situation in the doctor’s guidance to choose the appropriate way to intervene, and do not use their own medication to avoid the emergence of other serious problems. For the same drug, patients with different physical conditions and different stages of the disease are treated differently and should be treated in a standardized manner under the guidance of a doctor.