As pregnant women are in pregnancy, the body resistance will be reduced a lot, so there will be white tongue, resulting in white tongue for the following reasons: First, it may be pregnant women eat indigestible food leading to indigestion, when there is indigestion, the tongue will appear thick and white, while the mouth also has a bad taste. Second, if the pregnant woman’s spleen and stomach function problems will also lead to white tongue moss, because the spleen and stomach deficiency cold caused by, if the treatment is more timely easy to restore health, usually pregnant women can also eat more hot food, such as beef and mutton. The white tongue of a pregnant woman may be caused by fire, if the pregnant woman has no physical symptoms, the white tongue is simply caused by fire.