Using ultra-low temperature extraction method, the original plant nutrients and high fiber are retained, and effective components are extracted from edible herbs such as Japanese Angelica keiskei and Yunnan Pu 'er tea, which not only removes the heat and fat in miscellaneous grains, but also retains its various nutrients, which can tonify deficiency, strengthen the spleen and stomach, clear away deficiency and heat, promote diuresis and nourish the kidney, promote fat decomposition, promote fat excretion and reduce the body's absorption of fat.