If a pregnant woman has only diarrhea during breastfeeding, she can breastfeed her baby, but she needs to suspend breastfeeding if there is a combination of severe symptoms such as dehydration and high fever. Diarrhea during breastfeeding may be caused by overeating greasy cold food or acute gastroenteritis, but only diarrhea symptoms, it does not affect breastfeeding, but need to adjust the diet, if necessary, under the guidance of the doctor to give montelukast and other medications to stop diarrhea treatment. However, if severe diarrhea occurs, and is combined with dehydration, high fever and other symptoms, it is necessary to suspend breastfeeding, and active treatment. During the breastfeeding period, you should pay attention to proper rest, ensure sufficient sleep, and increase dietary nutrition to ensure sufficient calories and protein and other nutrients. But be careful to avoid spicy stimulation, greasy and cold food. It is also important to note that you should not blindly self-medicate, to avoid the metabolism of drugs through the milk to affect the growth and development of the baby. When breastfeeding diarrhea need to go to the hospital in time to identify the cause, and symptomatic treatment.