Very low urinary sodium excretion is a significant clinical manifestation of hyponatremia. The normal value of blood sodium is 142 mmol/L (135-145 mmol/L), and blood sodium below 135 mmol/L is considered hyponatremia. Urinary sodium volume: normal adult 70-90 mmol/24h, about 4,1-5,3 g of sodium chloride. if urinary Na+. Dietary therapy for extremely low urinary sodium excretion: 1, ginseng soup: ginseng (or American ginseng) benefits the spleen, cinnamon meat nourishes blood and calms the mind; 6 grams of ginseng plus 10 pieces of cinnamon meat, boiled together for internal consumption, for patients with chronic renal insufficiency anemia, palpitations and palpitations, has the effect of nourishing blood and calming the mind. 2, ginseng and jujube soup: ginseng (or American ginseng) benefits the spleen, red dates strengthen the spleen and stomach, 6 grams of ginseng plus 6 red dates, boiled for internal consumption. For chronic renal insufficiency patients with anemia, it has the effect of increasing hemoglobin. 3, porridge: millet, jujube, red beans, yam (fresh) each appropriate amount, add water to make porridge, boil with an appropriate amount of alkali; often taken; chronic renal failure patients with anemia to take, has the effect of strengthening the spleen and water, and stomach nourishing blood. 4, mulberry honey paste: mulberry has blood nourishing kidney role, honey can moisten and nourish blood, with fresh mulberry 100 grams (or 50 grams of dried products), thick decoction, plus 250 grams of honey to close the paste, for chronic renal insufficiency of kidney yin deficiency, insomnia and irritability. 5, five juice drink: fresh lotus root to clear heat and cool the blood, fresh pear to clear the heart and moisten the lungs and resolve phlegm, fresh raw earth to clear heat and cool the blood, raw sugar cane to help the spleen and stomach, 500 grams of each of the above products, chopped, to sterilized gauze wring juice, for chronic renal insufficiency patients with nosebleeds, divided into 2-3 times to finish.