Today, when the degree of aging is deepening and the status of chronic diseases is worrying, the motor organs of the elderly often decline along with memory. Aiming at the pain points of lack of exercise in the elderly with cognitive impairment, a new cognitive intervention system is planned. With nostalgic therapy as the support, the loom familiar in the memory of the elderly as the hardware carrier, combined with the weaving game developed by unity. In the game, the old man can use the loom to weave colorful decorations for his small home, and easily complete the reaction and upper limb coordination training in the immersive scene.