The problem of finite-time consensus tracking control is investigated for the second-order leader-follower Multi-Agent Systems (MAS) with disturbance and unmeasured velocity.Firstly, to solve the problem of unmeasured velocity and disturbances, a finite-time super-twisting observer and a sliding-mode disturbance observer are designed respectively to quickly estimate and compensate for the disturbance.A fast, finite-time arctangent tracking differentiator is introduced by using the observed velocity to quickly estimate the leaders input information.Secondly, based on Integral Sliding Mode (ISM), a finite-time tracking controller is designed, which can effectively improve the response speed and tracking accuracy of the system, and enhance the anti-disturbance performance and robustness of the system.Finally, several numerical simulations are provided to demonstrate the effectiveness of the proposed methodology.