How to fry shredded beef tender and delicious?

Slice the beef tenderloin horizontally, and then shred it. Add cooking wine into shredded beef, soy sauce, starch, black pepper and vegetable oil and mix well. Slice pepper obliquely, shred ginger, mash garlic, add oil when the pot is hot, stir-fry shredded beef quickly until the meat turns white, take it out, and stir-fry pepper, dried pepper, shredded ginger, minced garlic and shredded pepper in an oil pan until the skin wrinkles.