The TS algorithm is an iterative heuristic algorithm used to solve combinatorial optimization problems. The initial idea of the algorithm appears in Hansen's SteepestsAeentMildestDescentlAgorithm; it was first introduced in detail by FredGlover. The principle of TS algorithm is very simple and ingenious, it is a local neighborhood search method. Any one can solve S Ren. There is a neighborhood N (S) associated with it that belongs to Ω, and any solution s ’in the neighborhood belongs to N (S), which can be obtained by a shift of the initial solution s. Generally speaking, the relationship between neighbors is symmetrical and mutual. In other words, if S ’is a solution in the neighborhood of S, then S is also a solution in the neighborhood