If the bloating is caused by indigestion and other factors, you can drink old yogurt to help relieve bloating, but it has no curative effect. If the bloating is caused by hepatitis, ascites and other reasons, then drinking old yogurt is ineffective in relieving bloating. 1. Indigestion: Indigestion can lead to symptoms of bloating, old yogurt contains bifidobacteria and other probiotics, moderate drinking of old yogurt can help regulate the intestinal micro-ecology, which can help patients to relieve the symptoms of bloating caused by indigestion. 2. Hepatitis: Hepatitis patients can also appear bloating symptoms, this is due to bile belongs to a kind of digestive fluid, hepatitis makes the liver secretion of bile is affected, and then can appear bloating symptoms, this case drinking old yogurt can not alleviate the bloating, the patient can be through the low oil and low-fat diet, eat more vegetables and fruits to ease the bloating. 3. Ascites: Ascites can also lead to symptoms of abdominal distension, in this case drinking old yogurt can not relieve, can be pumped through the ascites, infusion of albumin, the use of spironolactone, furosemide and other diuretics to reduce ascites, relieve abdominal distension. In addition to the above factors, other causes can also lead to the symptoms of abdominal distension, if drinking old yogurt can not relieve abdominal distension, it is recommended to consult a doctor in time to identify the cause and ask the doctor to deal with it.