The invention discloses a MySQL-based real-estate sales management system. The system comprises an employee module, a client information collection module, a real-estate management module, a logging-in management module, a safety module, a sales management module, a report management module, a database and an after-sale service module. The system enables the main line of sales to be clear, so thatthe work of salesman is orderly, the timely follow-up of multiple business main lines is facilitated, the system has a sales prompt function, helps an enterprise to find out a business opportunity and to formulate a development plan and a marketing strategy, real-time statistics and sales and analysis can be performed, rapid exchange with a client is implemented, multi-level safety measures are taken, encrypted files of a user are protected in a safer manner, the bug of an existing secrecy system is made up, the situation reflected by the user can be understood conveniently so as to improve acorresponding technology in time, and the system can also help the client to solve problems as soon as possible, and is simple, convenient and easy to operate.