Hello, the use of sweet baking powder in steamed bread, steamed bread and other fermented noodle products and fried noodle products such as fried dough sticks is a food additive beyond the scope of abuse. The scope of use of baking powder is bakery products such as cakes and biscuits, excluding fermented flour products and fried flour products such as steamed bread, steamed bread and fried dough sticks. When processing fermented flour products and fried flour products such as steamed bread, steamed stuffed bun and fried dough sticks, compound food additives (without alum) can be used instead of baking powder. Making steamed buns, steamed buns and fried dough sticks is not only safe, legal and healthy, but also bulky and not hard when it is cold.