Wash the silver carp head, marinate it with salt, onion ginger and beer for about half an hour, fry the fish head and fish head in an oil pan until the skin changes color, then add beer, and immerse the fish head in about two-thirds of the water. Add onion ginger and pepper and cook for about 1 hour, and you can eat. It is delicious and nutritious, especially suitable for the elderly and children.