For the case of constipation and diarrhea alternating, first of all, it is recommended to find out the causes of this situation, if the exclusion of organic lesions, it is considered to be functional factors, in this case you can supplement probiotics to regulate, if necessary, you can also do fecal bacteria transplantation, the effect is very good. Constipation, diarrhea alternating with the most common diseases are mainly intestinal tuberculosis, tuberculosis peritonitis, gastrointestinal dysfunction, colon polyps, colon tumors, common colitis, etc., once this situation can be used to help digestion and regulate the intestinal flora of the drug, digestive drugs can choose mitochondrial pancreatic enzyme tablets, compound digestive enzymes, regulate intestinal flora of the drug can choose Bacillus licheniformis, lactobacillus, bifidobacterium trifecta Bifidobacterium licheniformis, lactobacillus, Bifidobacterium triplex, Bifidobacterium quadruplex, etc. These can regulate constipation and diarrhea alternately, but the therapeutic effect is limited, and it is necessary to actively identify the cause of the disease.