Under the economic crisis, the profitability of enterprises, open source throttling, cost control has become the consensus of the enterprise. The cost control, however, is only one of enterprise management work, the most important thing is to develop. As building intercom manufacturers, engaged in related to the social cause of the people's livelihood industry, first of all, should be in quality fluctuation kongfu, rely on scientific and technological progress and technological innovation, product innovation, improve the added value of science and technology; Second, the use of the system design should fully consider the different objects, different using environment, guarantee in the civilian market a lot of use, must not just function of decoration, the selling point of sales; Third, facing the challenge of cost control, the realization of product and service differentiation under the premise of the product whole life cycle cost management, with the lowest total cost of ownership, including the hardware procurement cost, power consumption and operation cost, service support cost management, etc., rather than simply to compare hardware configuration and the initial purchase price; Fourth, in the output of high sex ratio products at the same time, more output of the enterprise culture, management mode and business philosophy, the marketing idea, let the customer feel, experience, touch the brand connotation, to win the customer's psychological identity.