1. Clean the beef. First cut the raw beef into large pieces, be careful not to cut it too small, then rinse the beef under water twice to clean the beef.

2. Blanch the beef. Put the cleaned beef into the pot and add an appropriate amount of cold water. The water should cover the beef. Then turn on the heat and let the beef and cold water boil together. Do not cover the lid during the whole process. After the water boils, skim off the foam and turn off the heat.

3. Rinse with hot water. Take out the blanched beef and put it into hot water to clean the blood foam on the beef until all the blood foam is washed away.

4. Beef stew. Put the beef into the pot, add the stewed pork buns, bring to a boil over high heat, then simmer over low heat for 40 minutes, add 2 tablespoons of soy sauce and an appropriate amount of salt, simmer until the beef is colored, turn off the heat, and soak the beef for 2 hours. Can. Don't add salt too early during the beef stew process, otherwise the beef will not be cooked easily.