1. Cut the carrot into shreds and set aside, 2. Cut the celery into sections, 3. Cut the green pepper into shreds, 4. Cut the meat into shreds, separate the fat and thin, and slice the garlic cloves, 5. Heat the pot Then pour in cooking oil and heat until smoke comes out. 6. Add the fat meat and stir-fry to get out the oil. 7. When the fat meat is stir-fried to get half of the oil, add the lean meat and stir-fry (if you wait for the oil in the fat meat to Stir-fry all the meat and then add the lean meat, the fat meat will be fried) until the lean meat turns white. 8. When the lean meat turns white, add garlic and stir-fry until fragrant, then add an appropriate amount of soy sauce and wine to adjust the color and stir-fry until fragrant. 9. When you see that the wine and soy sauce are almost dry, add the three shredded vegetables and stir-fry. 10. Add salt and chicken essence when they are half cooked, and then stir-fry until they are cooked. 11. Fragrant. The appetizing three-fresh pork tenderloin is ready.