Pregnant mouth fire first of all, pay attention to maintain oral hygiene, morning and evening brushing, rinse mouth after meals, if due to fire ulcers produced by the application of mint tablets. Note that pregnant women with oral fire should not take medication without authorization, any drug can not be used easily, medication should follow the doctor’s instructions. In addition, pregnant women should also carry out self-psychological regulation, get rid of harmful mental factors, emotional people should be good at self-explanatory troubles, tolerance and kindness, living in harmony with others, life is optimistic, can alleviate the fire. Dietary regulation can be carried out, excessive satiety and mouth ulcers on fire have an inexplicable relationship, especially dyspepsia, should be limited or less frequent meals, fire may be caused by the lack of vitamins caused by ulcers, so you should eat more vitamins in the food, can not be partiality, eat more fruits and vegetables, drink more water, eat vitamin B2 can also be, pay attention to the nutritional mix. If the ulcer is caused by fire, you can boil pear water or drink some bitter melon soup.