You can eat watermelon if you have bronchitis. There is no direct correlation between watermelon and bronchitis, and it does not aggravate bronchitis. Therefore, patients with bronchitis can eat watermelon. In addition, the watermelon is more water, can help the body to replenish water, bronchitis patients often have some cough and cough phlegm phenomenon, phlegm is often sticky, if you can replenish enough water, can help dilute phlegm, conducive to coughing up phlegm. In addition, the vitamin content of watermelon is also relatively high, vitamins can help the body to strengthen resistance to foreign viruses or bacteria, and promote the healing of bronchitis. In addition, watermelon also has a diuretic effect, diuretic can help increase urine, the body because of viruses or bacteria, causing some toxins are also easy to discharge some. It is also good for the recovery of the disease. Therefore, bronchitis patients can eat watermelon, but watermelon is a relatively cool food, for the gastrointestinal tract has a certain stimulating effect, not to eat too much.