The S Plan line machine has exclusive patented servo motors, smart sensors, precise control algorithms and other high-tech blessings to realize intelligent and scientific millisecond-millimeter-level electronic counterweights, replacing the bulky, non-interactive, and non-interactive features of traditional fitness equipment. The invisible physical weight module supports a variety of fitness programs including body shaping, fat loss, muscle gain, and cardiopulmonary strengthening. It can cover the seven core muscle groups of the human body. It also has a smaller footprint, higher safety, and is easy to learn and use. The cost is lower, helping fitness enthusiasts to enjoy a safer, higher-end, and more scientific exclusive sports and fitness experience without leaving home. It can be called a home smart gym. There is no need to apply for a card, no psychological pressure, and there is no need to go to the gym. The time spent traveling to the gym and the need to overcome social phobia can be achieved with one stone.