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In fruit and vegetable puffing temperature closed loop control system, it is difficult to achieve the effective and accurate control of the controlled object for the general PID controller because it cannot adjust the parameters itself according to the environment change. Besides, the traditional digital PID controller will take place larger overshoot because of the integral accumulation when the system starts, stops or temperature setting range changes largely, which will result in the decreasing of relative stability. Aiming to solving these problems, the essay puts forward adopting SCL to exploit the SNPID controller based on integral separation algorithm. The integral separation SNPID controller using in the fruit and vegetable puffing temperature control system can not only reduce the overshoot of control system but also can enhance the adaptive ability of the control system through the cumulative coefficient, realize the accurate temperature control in the process of fruit and vegetable puffing.