According to the information of Zhihu and Jintou. Com, the principle of futures computer matching transaction is price first, time first. Price priority means that the declaration of high-priced buying takes precedence over the declaration of low-priced buying, and the declaration of low-priced selling takes precedence over the declaration of high-priced selling; Time priority refers to the same price declaration, the first declaration of priority transactions. This is the principle of futures computer matching.