At present, the domestic strength training products are manual selection of counterweight plug, existing technical operations are complex, And there are some security risks. The product adopts the intelligent selection load system instead of the conventional selection of iron bolt, Select the load weight by selecting the iron weight button on the electronic watch, easy and quick regulation, Calculate the energy consumed, record workout target, directing exercise. Besides, the product is used as a comprehensive body-building apparatus, combine strength training with aerobic training, perform physical or aerobic exercises alone, also at the same time, Improved the utilization of product.