The causes of diarrhea in women during lactation are many, such as changes in hormone levels, improper diet, gastrointestinal cramps, gastrointestinal infections, etc. Due to the special period, it may affect breastfeeding and needs to be dealt with accordingly after the cause is clarified. 1. Changes in hormone levels: increased secretion of lactogen in women during lactation and large changes in hormone levels may cause gastrointestinal cramps after eating and thus diarrhea. You can use hot water bag, heat paste hot compress belly button area or massage abdomen to relieve, generally does not affect breastfeeding; 2, dietary stimulation: excessive consumption of cold, hard, spicy, greasy food, food allergies, abdominal cold, etc., may lead to gastrointestinal tract spasm. This type of diarrhea usually comes quickly and ends quickly, so oral montelukast, probiotics, etc. can help recovery; 3, non-inflammatory diarrhea: lack of stomach acid, intestinal flora imbalance, irritable bowel syndrome, etc. can lead to long-term chronic diarrhea. Oral probiotics such as: lactobacillus tablets, yeast tablets to relieve symptoms, daily diet with warm, easy to digest food, drink more hot water, avoid cold, spicy stimulating food, pay attention to abdominal warmth, maintain a good mood; 4, gastrointestinal tract infection: if the diarrhea continues unabated, even accompanied by abdominal pain, fever and other symptoms, consider whether the gastrointestinal tract has norovirus, Campylobacter jejuni, Salmonella, amoeba protozoa The source of the infection can be confirmed by stool examination. The source of the disease can be confirmed by stool test, and antibiotics such as kanamycin and metronidazole should be taken for treatment. At this time, breastfeeding should be stopped to avoid drug components entering the baby’s body through breast milk, which may cause allergy and diarrhea, and breastfeeding should be continued 3-4 days after stopping the drug for insurance purposes.