Diarrhea after eating is considered to have some relationship with dietary factors or physical factors. If you have diarrhea after eating, the following three types of drugs are commonly used: 1. antidiarrheal drugs, commonly montelukast, difenoxin, etc. 2. you can apply antibacterial drugs, such as norfloxacin, pyrimethamine and third-generation cephalosporin products, such as cefixime, cefoperazone sodium, etc. 3. you can also use micro 3. Micro-ecological regulators, i.e. probiotic preparations, such as Bacillus subtilis, Bifidobacterium bifidum capsules, Mammazine, Celiancon, and Methandien, etc., can also be used. It is recommended to combine different illnesses and manifestations of diarrhea and diarrhea for comprehensive analysis and treatment.