Elderly people who have diarrhea with bubbles may be caused by indigestion, gastrointestinal dysfunction, gastrointestinal infections and other factors. 1. Indigestion: some elderly due to irregular diet, often eat some difficult to digest food, resulting in gastric dynamics, causing diarrhea with bubble phenomenon. Patients can take oral gastrointestinal tablets under the guidance of the doctor for treatment, and can also be combined with the use of probiotic drugs for treatment. 2. Gastrointestinal dysfunction: after the elderly gastrointestinal dysfunction, it is also easy to have diarrhea with bubble phenomenon, it is recommended that the patient can be appropriate to take the promotion of gastrointestinal peristalsis drug treatment. 3. Gastrointestinal infections: bacterial or viral infections lead to gastrointestinal inflammation, patients will have diarrhea with bubble symptoms, and can be accompanied by fever, abdominal pain and other symptoms. After clarifying the cause of the disease, antiviral, anti-inflammatory and symptomatic treatment can be used. Elderly people have diarrhea with bubbles, may also be caused by other factors, it is recommended to consult a doctor in a timely manner, to clarify the cause of the disease, and follow the doctor’s instructions for medication.