Marengo Pills can be taken by diabetic patients, but they should be taken appropriately and the correct time should be chosen for taking them. Diabetic patients can have digestive system comorbidities such as gastroparesis and intestinal vegetative nerve dysfunction with sympathetic nerve disorder causing bloating, abdominal pain, constipation or diarrhea, or alternating diarrhea and constipation. In the above cases, the gastrointestinal function can be regulated and the intestinal tract nourished by taking Ma Ren Ren Ruan Yin Wan to avoid excessive constipation. If the patient has prolonged diarrhea, it is not suitable to take Ma Ren Lun Gao Wan. If the patient has significant constipation, for example, no bowel movement or difficult bowel movement for about two days or even three days, you can take Ma Ren Ren Ren Pills thirty minutes after meals.