孙氏太极剑由孙禄堂根据拳理，以形意八卦为基础演变而来。剑法以意、气为主，眼、手、身、步各法均同于拳术，剑如臂之加长，而不为使剑所拘，达到身剑合一的境界。

Taiji sword of Sun is evolved from the shape of Eight elements base on boxing element that form by Sun Lvtang. The sword is mainly on impression and strength, the action of eyes, hands, body, and steps is the same with boxing element. Make the sword as long as the arm but not restrained by the sword to be in a condition that the body and sword is a whole.