Okay, but don’t eat too much. Watermelon seeds have the effect of clearing the lungs and reducing phlegm, and have auxiliary effects on coughs with excessive phlegm and hemoptysis. Watermelon seeds are rich in oil and have stomachic and laxative effects. You may wish to eat some seeds such as watermelon seeds when you have no appetite or are constipated. It contains unsaturated fatty acids, which can lower blood pressure and help prevent arteriosclerosis. It is a suitable snack for patients with high blood pressure. Watermelon seed shells are hard and eating too much is bad for your teeth. Try not to give melon seeds to infants and young children to avoid the danger of falling into the trachea. Eating melon seeds continuously for a long time will damage body fluids, lead to dry mouth, and even abrasions and sores.