(1) Vegetables: contain more vitamins and minerals.

The iron content is also high, which has the functions of benefiting five internal organs, dredging blood vessels and moistening intestines.

(2) Sweet potato: promote intestinal peristalsis and prevent constipation.

(3) Banana: It has low sodium content and no cholesterol, and has the functions of nourishing yin, moistening lung, clearing away heat and promoting fluid production, moistening intestine and relaxing bowels.

(4) Walnut: It can reduce the absorption of cholesterol in intestine.

(5) Pine nuts: known as "longevity fruit", have the effects of softening blood vessels and preventing atherosclerosis. Because pine nuts contain a lot of fat, they have the effect of moistening intestines, and it is effective for the elderly who are constipated to eat pine nuts often.

(6) Honey: it can clear away heat, tonify the middle energizer, detoxify, moisten dryness and relieve pain. Taking honey can moisten the lungs and relieve cough, moisten the intestines and relax the bowels, nourish and tonify the middle energizer, enhance brain power and strengthen the body. Application: neurasthenia and insomnia, drink a cup of honey water every night before going to bed.