Potassium supplements can be taken after meals of Bifidobacterium bifidum and glutamine when there are no contraindications to the drug. Bifidobacterium bifidum belongs to a kind of probiotics, can be used for the treatment of acute and chronic diarrhea, intestinal flora imbalance and other diseases; allergy to microbial agents is prohibited; long-term use of this drug may make the intestinal tract produce dependence. Glutamine can protect and repair the gastrointestinal mucosal damage, can be used for the treatment of chronic gastritis and auxiliary treatment of trauma, burns and other intestinal injuries caused by diseases; allergy to this drug is prohibited; the use of this drug may occur after the epigastric pain, stomach discomfort, nausea, diarrhea and other adverse reactions. Oral potassium supplementation drug generally refers to potassium chloride, which can treat hypokalemia caused by various reasons; acute and chronic renal insufficiency, hyperkalemia and allergy to this drug are prohibited; gastrointestinal symptoms such as nausea, vomiting, diarrhea and abdominal pain may occur after use of this drug, so it is recommended to take it after meals. Potassium supplements can be taken after meals when taking bifidobacteria and glutamine without the above mentioned contraindications to the drug. Patients who need to be treated with glutamine, bifidobacteria and potassium supplements should be under the supervision of a doctor.