Methods: 1. Except Lycium barbarum, put all the medicines into gauze bags, add appropriate amount of water, and simmer for about 30 minutes. Finally, add Lycium barbarum, simmer for 10 minutes, take out the medicine bag and make soup for later use. 2. Slice chicken liver, add salt and a little white powder and mix well. 3. Add 2 tablespoons of oil to the wok. When the oil is hot, put down the onion and ginger and stir-fry until fragrant, then add the chicken liver and stir-fry a few times. When the chicken liver becomes discolored, add the broth and cook for about 2 minutes. Add a few drops of spinach, salt, pepper and sesame oil and serve. Efficacy: tonify liver, invigorate qi, improve eyesight, enhance physical strength and vision, and relieve eye fatigue. Nutritional analysis: the content of vitamin A in chicken liver far exceeds that in milk, eggs, meat, fish and other foods, and it has the function of maintaining normal growth and reproductive function.