Purple sweet potatoes are bloated when eaten. Purple sweet potato comes with rich protein, tapioca starch, dietary fiber, carbohydrates, vitamins and its many and varied nutrients. Purple sweet potato is rich in fiber, can promote gastrointestinal tract peristalsis, can help food digestion, after eating too much, may appear flatulence symptoms. Flatulence, you can use a hot towel, or hot water bag to do the abdominal hot compresses, you can also do a clockwise massage around the navel, there is a role in alleviating the symptoms of flatulence. For people with indigestion, you need to eat some easily digestible food, eat more fruits and vegetables, avoid spicy stimulation, greasy food, try not to eat purple potatoes, soy products, milk and other easy to produce gas food. You can also take drugs such as domperidone and bifidobacterium triplex as prescribed by your doctor.