The efficiency of reducing fat depends on the energy consumed by human body, and the energy consumed by muscle mainly depends on which actions can recruit more skeletal muscle groups during exercise. Every time the rowing machine paddles and retracts, the muscles of the waist, back, upper limbs and lower limbs complete a complete extension and contraction, and large muscles of the human body participate in it. Through different exercise modes, the rowing machine can also improve the basal metabolic capacity, which can better promote the human body to burn more calories and fat at the same time, thus contributing to the improvement of fat reduction effect.