Watermelon peel: Sweet, light and cool in nature; returns to the heart, stomach, and bladder meridians; cools and relieves the heat; has the effects of clearing summer heat and relieving annoyance, quenching thirst and diuretic; mainly treats polydipsia in summer heat, short urine, edema, and sores on the tongue. Those with cold dampness in the spleen and stomach are prohibited from taking it. Eggs: Rich in protein, also contains lecithin, vitamin B2, trace elements, etc., is an easily available nutrient.