Pregnancy is a very important period for female patients, when many complex physiological changes occur in the body. In order to better adapt to some of the changes of pregnancy, first of all, as a foreign substance, the formation of the embryo, and its implantation cause a series of hormonal and neurological modifications in the body. In order to make the child more stable in the mother’s body, the mother has to make immune adjustments in the early stages of pregnancy to reduce immune rejection and prevent the possibility of preterm delivery. At this time, due to the down-regulation of immune function, many women are prone to colds in the early stages of pregnancy, such as normal carrying bacteria or viruses that may cause colds to occur. It is important to pay attention to the timely adjustment of the diet, pay attention to rest, maintain a good state of mind, do not use too much medicine, too much medicine is likely to have a certain impact on the fetus. Pay attention to rest, drink more water, and if necessary, use very light toxic Chinese medicine to regulate the treatment, mostly with the extension of time, the body’s immune function will be better improved, and the symptoms of the cold will gradually be controlled.