The prominent feature of fitness with treadmill is that it will not be restricted by the environment and it's easy to learn. It's good for man, woman, older and younger. It has good effect for human muscles, bones, and to improve cardiovascular function. Nowadays, the motorized treadmill are gradually loved by people, and it become the mainstream in the market because of its special advantages. The features of motorized treadmill is people can have different speed to run or walk passively through the running belt driven by motor, which has stronger sience and guidenace.