Cold salad is becoming more and more common, especially in hot summer, people become lazy and have no appetite. Plates of brightly colored cold salad with cool appetizers can greatly increase people's appetite. Cold salad can be selected according to everyone's taste, which can be mixed with meat and vegetables or mixed with meat and vegetables. There are also many kinds of simple preparations, which can be eaten immediately after mixing, or can be made into multiple servings for multiple times. The ingredients of the cold salad are mostly vegetables and fungi, which conforms to the health concept that modern people require less oil and more natural nutrition, and is suitable for men, women and children. Yu Ying Snack Training Center in Hebei Province teaches North Korea's techniques of mixed vegetables, cold dishes, choking cold dishes, shaped cold dishes, primary cooking, cauldron dishes, kimchi, eight-treasure mixed vegetables, Sichuan mixed vegetables and California mixed vegetables. The learning skills of Hebei Yu Ying Training Center are practical learning, on-the-spot learning, guaranteed teaching links, hands-on teaching by famous teachers, one-on-one teaching and learning, and enrollment. Yu Ying Snack Training Center in Hebei Province belongs to Hebei Women's Federation and is the training base of "Sunshine Project" in Hebei Province. It has been rated as an advanced unit by Hebei Provincial Labor Department for ten consecutive years. Yu Ying Snack Training Center in Hebei Province educates people with integrity and respects morality. I hope that students who want to learn technology will visit the market more, compare more, turn more, ask more questions, think more and learn more.