One of the important treasures of Multi-Harvest's catering management is the realization of fast food standardization, which is also an important factor for Multi-Harvest to stand out from the fast food industry, and to compete with foreign fast food. The standardization of Duohe is the standardization system of raw material procurement, logistic production, production procedure, staff operation, service quality, dining environment and operation supervision, which is the important element of core competitiveness of Duohe: Duohe has regular and irregular inspection and unannounced visit system, and the headquarter will recall the store manager and other management personnel regularly to conduct training and learning, and irregularly to the restaurant's food quality, staff service, restaurant environment, equipment and facilities for unannounced visits and scoring tests.