It should be noted that people with liver and renal insufficiency are not suitable to eat ice grass, so as not to increase the burden on liver and kidney, which is not good for health. Agropyron can be eaten raw: the nutrients contained in Agropyron can be well absorbed and utilized by human body, which has a good maintenance effect on human health. Agropyron cristatum is rich in natural plant salt, and it is a refreshing and appetizing food after being cold-mixed.