Pregnant women should try to avoid eating leftover chicken at lunchtime, so as not to contaminate the food, resulting in abdominal pain, diarrhea and other discomforts. Food in the hot summer is very easy to deteriorate, if the leftover chicken at noon to save the temperature is too high, it is easy to food deterioration, pregnant women eat it is easy to cause indigestion, such as abdominal pain, diarrhea, nausea, vomiting. In addition, if the food is placed for too long, it contains more nitrite, which may affect the health of pregnant women and fetuses, so pregnant women should avoid eating leftovers or leftovers. Pregnant women should pay attention to dietary hygiene, and to ensure that the dietary intake of nutrients comprehensive, if eating unclean food appear abdominal pain, diarrhea, etc. should seek medical attention in a timely manner, so as not to damage the health of the mother and child.