Watermelon is relatively a good fruit, and also has a certain antihypertensive effect, generally consumption of watermelon is not triggered by chest pain. If in the process of eating watermelon appears chest tightness, chest pain this situation, may be due to eat too quickly or the current watermelon is chilled watermelon, too cold will stimulate myocardial ischemia, resulting in chest tightness, chest pain. For such, it is best to eat a low-salt, low-fat, light diet on weekdays, and to pay attention to not eating cold and stimulating foods, relatively speaking, to help prevent the re-emergence of chest pain symptoms. If necessary, it is recommended to further clarify the existence and severity of coronary heart disease, which can be combined with chest X-ray, ambulatory electrocardiogram, cardiac ultrasound and even coronary CT examination.