If your old man has been on dialysis, you can eat less animal protein, but not too much. If the hemoglobin is less than 6 grams, it is necessary to replenish fresh blood, otherwise it will be very dangerous. Folic acid and vitamin B 12 can be taken orally, ferrous sulfate can be used for good stomach and Cleopatra can be used for bad stomach. And if it's 6.5-8.5, you have to take erythropoietin and inject it subcutaneously for 3000u each time. When hemoglobin is about 8.5-9.5, subcutaneous injection of erythropoietin, twice a week, 3000 U； each time; When hemoglobin is above 9.5, subcutaneous injection with a dose of 3,000 U once a week; Erythropoietin can be stopped when hemoglobin is above 65,438+065,438+0 g. You can supplement blood orally. You said it is best not to eat animal liver, because it will increase blood lipid and uric acid value. It's best not to eat either. Moreover, auricularia auricula contains high-potassium food, which will increase the potassium of patients. Patients can treat renal failure by rectal administration of micro-Chinese medicine. For dietary problems, please call 043 1-8878496.