There is a difference between physiological and pathological heartburn. Physiological heartburn is mostly caused by strenuous exercise, heavy drinking and mental tension, and can be eaten with any fruit without restriction. If you usually have a weak spleen and stomach you can eat it warm, such as fruit cut into pieces and scalded with hot water, otherwise raw cold, cold fruit will cause discomfort in the stomach. Pathological heartburn can be seen in anemia, hyperthyroidism and other systemic diseases, and there are no special requirements for fruits, all can be eaten. It can also be seen in organic heart diseases, such as arrhythmia, coronary heart disease, heart failure, etc. Patients with coronary heart disease have atherosclerosis and can eat more acidic fruits that help soften the blood vessels, such as lemons, apples and oranges, but try not to eat satsuma orange because the high sugar content can be detrimental to the blood vessels. Heart arrhythmia and heart failure have no requirements for fruit diet, you can eat any fruit, but pay attention to the water intake of heart failure patients should not be too much. Long-term heart attack patients should eat less watermelon because it is cold and easy to damage the spleen and stomach and affect the effect of medication.