If a pregnant woman has a cough at night, she can drink more water to help dilute the phlegm and promote the discharge of phlegm. You can take the juice of fresh fruits with hot water to replenish vitamin C and help relieve cough symptoms. Usually, you can use 5 grams of Chuan Bai Mu, 1 pear, 10 grams of lily and 10 grams of Chen Pi to take a decoction of water to drink as tea, which has the effect of clearing heat and moistening the lungs. If the cough is caused by wind-cold cold, you can use Sanjiao Tang combined with Stop Loudspeaker Plus to reduce the cough, which has the effect of dispersing wind and cold, promoting the lung and relieving cough. If the cough is caused by a wind-heat cold, you can use Sang Ju Drink plus or minus, which has the effect of clearing wind and heat, promoting the lung and relieving cough. If the above methods of treatment are not effective, it is recommended to visit the obstetrics and gynecology department. When choosing the medication, you should select drugs that do not affect the fetus and the pregnant woman.