The purposes of this review are that 1) what is the the concept of motor control, 2) what is the content of motor control assessment, and 3) which instruments or scales are used in clinical setting. Motor control is defined broadly the control of both movement and posture. And motor control focuses on understanding the control of movement already acquired. The purposes of assessment are screening, placement to apprpriate treatment program, program plan, evaluation, and progress assessment for individuals. The content of motor control assessment is included not only fexibility, tone, reflex & reaction, muscle strength, movement pattern, balance, gait, and functional ability, but also cognition, arousal, sensation, and perception. There ars many kinds of instruments or scales for assessing motor ability. Most of materials are tested the validity and reliability. But Korea has not own instrument for assessing motor ability. Therefore, Korea needs to develop the assessing tools for motor ability.