This design aims to provide an effective fitness program for people with missing arms, and help them strengthen muscle strength, improve physical function and promote physical and mental health by using prosthetic limbs to assist strength training. The design concept includes combining lightweight equipment and adaptive training methods, focusing on the correctness of exercise posture and muscle balance, and gradually increasing the load and difficulty, so as to achieve continuous progress and sense of achievement. In addition, cultivating a positive mindset and self-confidence, as well as providing professional guidance and support, is an important part of the design, aiming to stimulate their potential and shape healthier and stronger bodies.