The solutions for diarrhea during pregnancy preparation for women are as follows: 1. Exclude the presence of bacterial infection, and if this is the case, administer medication and anti-infection treatment; 2. If bacterial infection can be excluded and diarrhea is not very serious, consider drinking more water, actively replenishing electrolytes lost due to diarrhea, and pay attention to rest and a light diet; 3. If there is no relief through diet, treatment and rest, take oral probiotics and montelukast to reduce the number of stools; 4. If the diarrhea is not relieved after the above-mentioned adjustments, go to the hospital promptly to check for electrolyte imbalance, such as low potassium, low sodium and disorders of acid-base metabolism, which require infusion therapy.