Benefits of eating watermelon properly: 1, diuresis and detumescence. For ascites edema caused by short urine, eating watermelon properly has good diuretic and detumescence benefits. 2, can help lower blood pressure, because watermelon is rich in potassium, and potassium can stabilize blood pressure well. Therefore, the benefits of supplementing potassium by eating more watermelons are very strong in helping to lower blood pressure. 3. It can supplement the body with rich vitamin C, which can promote the production of immune substances. By eating more watermelons to supplement vitamin C, the benefits in improving the body's immunity are also very obvious.