The invention discloses a multifunctional body-building apparatus for exercising upper limbs and an instruction for use thereof, belonging to the field of body-building apparatuses. The main purpose of the present invention is to provide a portable fitness equipment for the majority of fitness enthusiasts and operators in the fitness industry, which is specially aimed at the upper limbs and can perform multi-posture and multi-region muscle exercises. Simulation, one-handed exercise can be performed, and the effect of fitness can be achieved by overcoming the weight of the weight plate. In order to achieve the above purpose, each component is processed, including: weight unit, rope, guide rail, pulley block, handle , swing rod, adjusting pin, adjustable turntable, pulley, frame; after each component is processed, install it according to the corresponding installation process, and follow the instructions for use when using it, and the treatment and treatment of related injuries and diseases Rehabilitation has an auxiliary effect, and it is the first choice of fitness equipment for various fitness venues and home fitness.