The oracle race track projects often adopt their own unique solutions to achieve, without a recognized technological paradigm, and have weak competitiveness. At present, Chainlink and Pyth Network, the leading companies, occupy the majority of the market share. Chainlink's revenue data also indirectly reflects that the oracle, as the gateway to the blockchain network in the real world, has a practical demand for the track itself. With the continuous deepening of the blockchain concept and the continuous promotion of blockchain applications, it has potential in the future.