Pregnant women who cough too much at night should go to the hospital in time and do relevant auxiliary examinations, and then follow the doctor’s instructions to standardize the treatment. Pregnant women in pregnancy immunity function is low, easy to be attacked by pathogenic microorganisms and cause respiratory tract infections, so there will be coughing symptoms at night, need to go to the hospital to do the relevant auxiliary examination, such as routine blood or C-reactive protein examination, and then according to the results of the examination given to the fetus has less impact on the drug, such as cephalosporin or penicillin. In addition, other methods can be used to alleviate the symptoms, such as improving the living room environment and changing the body position. Room temperature and humidity can be adjusted to avoid aggravating the cough with the stimulation of dry air. At the same time, you can take a comfortable position such as semi-recumbent position, which is conducive to the discharge of phlegm, thus relieving cough symptoms. As pregnancy is a special physiological stage, when pregnant women cough too much at night, by self-treatment can not alleviate the symptoms, should promptly go to the hospital, under the guidance of the face-to-face physician, the correct use of medication, do not unauthorized use of medication, so as not to cause fetal malformation and other adverse outcomes.