The invention relates to an e-commerce trial evaluation and recommendation system based on user requirements. The system is characterized by being composed of a physical store trial terminal, a streetdisplay trial terminal, a marketing management center and a mobile phone terminal, and the physical store trial terminal and the street display trial terminal are respectively composed of a trial area, a keyboard input and display module, a gift area, a data processing and storage module and a wireless transmission module; the marketing management center is composed of a data preprocessor, a datamining PDM server, an FIFO sequence memory, a data exchange server, a marketing management server and a permanent memory. And the marketing management server is connected with a mobile phone terminalof a customer who participates in trial through a mobile communication network. The system solves the problem that the existing e-commerce enterprise has few means of attracting consumers and miningnew customers and is poor in efficiency, and compared with the existing telephone marketing means, the system takes the user requirements as a fundamental starting point, avoids the blindness, improves the return rate, and saves the manpower and material resources.