If you have a cold in the third month of pregnancy, you can drink more water, pay attention to rest, take vitamin C supplements, and try to avoid going to places with a lot of people to prevent cross-infection. You can open the windows when the air convection, can reduce the rate of mutual infection. If the fever is caused by wind-cold cold, you can use Jing Fang Da Table Tang plus or minus, which has the effect of pungent warming and relieving the symptoms. If the fever is caused by a wind-heat cold, you can use Yin Qiao San plus or minus, which has the effect of cooling the exterior of the body. If the fever is accompanied by bacterial infection, persistent high fever with coughing and wheezing symptoms, it is recommended to visit a doctor promptly and usually give intravenous fluids for symptomatic treatment. The choice of medication should be chosen to have no effect on the fetus and pregnant women, and hospitalization is recommended for more serious conditions.