Elevated urea is mainly common in patients with kidney disease and renal insufficiency, or suffering from upper gastrointestinal bleeding or hyperthyroidism, which can cause elevated urea. Elevated urea nitrogen can eat more thin rice, noodles, steamed buns, cereals, etc. You can keep enough vitamins, eat more green leafy vegetables, more oranges, apples, cabbage, radishes, carrots, bananas, potatoes, etc. People with high urea eat these foods best. However, people with high urea should avoid spicy and stimulating foods, and also limit the intake of purine, and eat less animal offal, seafood, meat, spinach, etc. The amount of diet should be controlled, do not consume too much, to prevent overweight. There is also that people with high urea should have a low protein diet, which can avoid elevated urea. Usually drink more water and urinate more, to ensure that the daily water intake is about 1500-2000ml.