Walnut (“Materia Medica Illustrata”) is the fruit of walnut in the walnut family. Mainly produced in Hebei, Shandong, Shanxi, Shaanxi and other places. Harvested when the fruit is ripe before and after the white dew. Alias: walnut, qiangtao, hetao. Sexual flavor and meridian: sweet, warm. Attributes to the kidney, lung and large intestine meridians. Effects: Tonifying the kidney and benefiting the essence, warming the lungs and stabilizing asthma, moistening the intestines and relaxing the bowels. Indications 1. Kidney deficiency, tinnitus, spermatorrhea, lumbago, impotence. 3 walnuts, 7 schizandra seeds, honey, chew before bedtime. 2, lung and kidney deficiency asthma. Walnut meat, ginseng 6g each, decoction. 3, intestinal dryness and constipation. Walnut kernel 4 ~ 5, mixed with a little honey before bedtime. Clinical application 1, insomnia. Walnut kernel 6, 1 cup of milk, boiled, take before bedtime. 2, diarrhea. Walnut (with 売)1-3pcs，set on the fire to burn through, research powder, with warm water, 2 times a day, served for 3 days. 3, middle-aged and elderly urinary stones. Walnut kernel 50g, crushed, rice 100g, cooked with porridge, consumption. Or with walnuts 120g, cooking oil fried crisp, add the right amount of sugar, powder, 1 ~ 2 days in divided doses. 4, kidney deficiency type osteoporosis in the elderly. Walnut kernel 250g, black sesame 250g, sugar 50g, walnut kernel and black sesame with research for fine powder, add sugar, 2 times a day, 25g each time, warm boiled water. Modern research 1, walnut leaf aqueous extract of anthrax bacillus, diphtheria bacillus has a strong killing effect on pneumococcus, streptococcus, staphylococcus aureus, as well as Escherichia coli, bacillus influenzae has a weak killing effect. 2.Walnut leaf aqueous extract has inhibitory effect on tumor cells. 3, walnut is rich in polyunsaturated fatty acids and monounsaturated fatty acids, tocopherols, plant sterols, can reduce the plasma concentration of oxidized low-density lipoproteins, preventing atherosclerosis of blood vessels. Use of attention, phlegm fire accumulation of heat, Yin deficiency and fire and loose stools are prohibited.