1. Prepare ingredients: cut duck into pieces, and cut green and red peppers.

2. blanching: put the duck into the pot, add enough water, boil it, skim off the floating foam, and remove the duck for later use.

3. Stir-fry duck meat: add a proper amount of oil to the hot pot, add rock sugar and stir-fry until it melts, and add duck meat and stir-fry until the color is the highest.

4. Pour beer: pour a bottle of beer, add soy sauce, soy sauce, salt and pepper, and stir well.

5. Stew: Cover the pot and simmer for 30 minutes.

6. Add side dishes: After 30 minutes, add green and red peppers and salt to taste and stir well.

7. Juice collection: finally, collect the juice and sprinkle with chopped green onion to serve.