It is not good to eat papaya in the morning, papaya is a cold food, if the spleen and stomach is usually weak, after eating papaya in the morning may cause diarrhea, the stomach is cold easily stimulate the gastric mucosa, causing stomach spasm contraction, may appear stomach pain. Papaya contains a component called oxalic acid, oxalic acid substances on the stomach mucosa will cause irritation. If you eat papaya in the morning on an empty stomach, for patients who already have chronic gastritis, the stimulation of the stomach lining may cause abdominal discomfort, such as nausea and vomiting. The sugar content in papaya is also relatively high, and the intake of too much sugar causes an increase in stomach acid. Stomach acid stimulates the gastric mucosa, and patients with gastric ulcers will stimulate the gastric mucosa, causing more secretion of gastric acid which will aggravate the ulcerated surface of the gastric mucosa, causing acid reflux, vomiting, nausea, and even painful stomach contraction spasms.