Swollen face and big stomach may be caused by indigestion, malnutrition, and gastrointestinal dysfunction due to kidney dysfunction. Not paying attention to the warmth of the abdomen, liking spicy and stimulating food, especially excessive salt and sugar intake, smoking and drinking heavily, and irregular diet can lead to indigestion. As a result, serious gastrointestinal diseases, such as gastritis, gastric ulcer, etc., can occur, resulting in poor circulation of blood and lymph, thus making the stomach larger and the body swollen, especially the face appears puffy. In addition, if the diet is not enough protein intake, the body lacks of specific nutrients and metabolism is disturbed, which will result in stomach enlargement and swelling of the face in the long run. Kidney muscle energy is damaged, the body’s ability to reduce excretion will also affect the gastrointestinal tract, so that its function is disrupted, it will make the stomach gradually become larger, face and eyelids swollen.