1. Wash the pork loin with flowing water repeatedly, cut it open in the middle, remove the waist shy fascia, clean it, cut it into strips, and soak it in wine for more than 10 minutes
2. Drain and marinate with cooking wine and salt, wet starch and paste. Wash the Holland beans, remove the old tendons, and cut them into two halves obliquely
3. Heat the salad oil in the pot, and drain the oil immediately
4. Leave a little oil in the pot, heat it up, add the onion, ginger and garlic slices to make it fragrant
5. Stir fry the Holland beans for a while. Then put the oiled waistband
6. Immediately add some soy sauce, vinegar, chicken essence and stir fry for a few times, then pour the sesame oil into the pot