The invention relates to an intelligent security cashier box, in particular to an intelligent security cashier box with intelligence, high expansibility and high security. Existing supermarket cash registers are expensive, have low practicability, poor stability, low security and poor expansibility, and although unmanned supermarkets appear along with the development of science and technology, thecurrent unmanned supermarkets still have the following problems of technical difficulties, profit difficulties, high investment in an early stage and difficult landing. For better user experience anddevelopment of the supermarkets, a more free cashier box with high security and high expansibility is required, the problems of high investment in the early stage and technical difficulties are completely solved, the degree of freedom and security of merchants are improved, the initial investment cost of the merchants is saved, and then the price of commodities is reduced.