Lettuce contains a lot of plant cellulose, which can promote intestinal peristalsis, dredge digestive tract and treat constipation. It is the best food for anemia patients. Recommend houttuynia cordata mixed with lettuce. Has the effects of clearing away heat and toxic materials, promoting diuresis and resolving phlegm.

2. peas

Pea is rich in various nutrients needed by human body, especially high-quality protein, which can improve human body's disease resistance and rehabilitation ability. The crude fiber rich in peas can promote the peristalsis of the large intestine, keep the stool unobstructed, and play a role in cleaning the large intestine.

3. Duck eggs

Nutritionists say that duck eggs are rich in inorganic salts such as calcium and iron, which are higher than eggs and fresh duck eggs, and are the first choice for calcium and iron supplementation in summer.

4. Bitter gourd

Bitter gourd is rich in nutrition, which can relieve summer heat, improve eyesight and detoxify. Momordica charantia is cold and bitter in taste. It has the functions of clearing away heat and toxic materials, relieving summer heat, improving eyesight and lowering blood pressure, and has the preventive and therapeutic effects on heatstroke, dysentery and malignant sores.