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Eight Queen s question is the main mathematician Gauss was put forward in 1850. The problem is in the 8 × 8 chess board to place eight queen, making no one s able to eat any other a queen, that is, no two queen was placed in the chessboard of the same line, the same row or the same oblique online. Asked for a procedure to derive all the solutions of the problem. The problem is Cavalier traveled on 8 × 8 chess board on a horse, in accordance with the horse to the Day of the rules of the word can not be repeated for each cell traveled chessboard. Asked for a procedure to derive a solution of the problem.