Eight-trigram Sanshou Broadsword belongs to eight-trigram weapons. Eight-trigram school is such a kind of boxing that avails itself of the techniques of attacking, defensing and directing in its movements of circling around the configuration of the eight diagrams. Technically, it’s marked by its movements of walking vertically and horizontally in random and flexibility. Eight-trigram Sanshou Broadsword is the best expression of the techniques.