According to Eliot's wave theory, 135 is the main wave of ups and downs, and 24 is the callback wave. Three of the main waves are fierce, higher than 1 wave or 5 waves, and the wave potential cannot reach the destination, so the wave is allowed to be extended. The use of Eliot's wave theory has caused many readers to have a chaotic debate. What is certain is that; Many professionals believe that Eliot's wave theory is not practical for A-share stock or derivative futures market, especially for short-term futures market, and there will be no five waves. Eliot's wave theory is only applicable to the large-scale index of institutional participants, which is feasible.