In Chinese medicine, fire refers to the internal inflammation of fire and heat, with some symptoms such as mouth and tongue sores and dry stools. However, eating oranges in moderation generally does not cause discomfort or fire. Hot weather, dry air, insufficient hydration, or eat too much spicy and stimulating food, too much stress, stay up too late, etc., can lead to fire. Oranges are cool fruits, acidic and cool in nature, and eating oranges generally does not cause fire. Eating oranges will not catch fire, but do not eat too much, overdose has diarrhea, stomach pain, abdominal pain and other adverse reactions. Those who are weak and cold in the spleen and stomach (spleen and stomach weak and cold) need to take a small amount. Specific diet can consult a professional physician’s opinion, and should consult a doctor in time after the discomfort occurs, and follow the doctor’s instructions for treatment.