Material related to five body constituent recorded in Inner Canon of Yellow Emperor（ 《黄帝内经》） and related literature are collected and collated. Combined with modern research findings

the authors summarize five body constituents related motor function as well as the characteristics and influencing factors of motor dysfunction. The authors try to explain the motor function in Chinese medicine by five body constituent theory. Tendon and ligament

which is strong

mainly governing movement

is the core of motor function. Muscle

which acts like a wall

is an important factor of protecting and reflecting the strength of motor function. Bone

which acts like a bracket

supports motor function. Skin

which is at exterior

the first place to feel the external environment

assists movement. Pulse

the place where Qi and blood are stored and operated

provides material and energy basis for motor function.