1. Different types: Baking powder is a compound leavening agent and is neutral; yeast is a biological leavening agent.

2. Different fermentation methods: Baking powder is a chemical fermentation. Baking powder contains baking soda and tartaric acid, which generate carbon dioxide when heated with water; yeast is a biological fermentation, and yeast relies on yeast to produce carbon dioxide.

3. Different uses: Baking powder is usually used for baking cakes, cookies, and desserts, while yeast is mainly used for baking bread.

4. The rising time is different: baking powder rises quickly; while yeast powder made from yeast rises slowly.

5. Different degrees of environmental impact: Baking powder is less affected by temperature and humidity; yeast powder needs a certain temperature and humidity to rise. If the weather is cold, it will take more time to rise or it will not be easy to rise. hair.

6. Prices are different: baking powder is low in price; yeast is high in price.

7. Health and safety are different: Baking powder is a chemical leavening agent, which is composed of chemical substances. It is recommended that people with children and pregnant women at home use it as little as possible; in contrast, yeast is natural and Nutritious, healthy, highly safe, and will not produce bad flavor.