As pregnant women are in pregnancy, their body resistance will be reduced a lot, resulting in white tongue moss for the following reasons: First, it may be that pregnant women eat indigestible food leading to indigestion, when there is indigestion, the tongue moss will appear thick and white, while the mouth also has a bad smell. Second, if the pregnant woman’s spleen and stomach function problems will also lead to white tongue moss, because of the spleen and stomach deficiency caused by cold, if the treatment is more timely and easy to restore health, usually pregnant women can also eat more hot food, such as beef and mutton.