Bean sprouts, fungus and carrot vermicelli make buns together. Processing stuffing, slicing onion and ginger, and adding water to make onion Jiang Shui. Then chop the pork into stuffing, add onion and Jiang Shui, and stir well; Chop the soaked auricularia auricula, mix it with pork, add soy sauce, oyster sauce, salt and raw flour, and stir well.