Colla Corii Asini natto inherits the ancient method, follows the concept of "safety and high efficiency", adopts patented innovative technology, and combines the essence of various ingredients to develop a unique colla Corii Asini cake rich in nattokinase through multiple processes, which has the unique effects of clearing blood, dissolving thrombus, nourishing the body, regulating qi and blood, dispelling cold and removing dampness, and improving physical strength and energy, and solves the modern medical problem that traditional colla Corii Asini can only supplement.