Abstract: To solve the problems that the auto-disturbance rejection controller(ADRC) has too many parameters and it is very difficult to calculate a set of optimal parameters without determinate tuning algorithms,an intelligent simulated annealing (SA) algorithm combining with some known tuning rules is proposed.The proposed algorithm improves the search rules of the original simulated annealing algorithm,and increases the parameter search range and efficiency.At last,a simulation example is given to prove the validity of the improved intelligent simulated annealing algorithm.