Nowadays,as you walk in the domestic cities,colorful and dynamic signs of gyms will always come into your view.And when you walk into the gym,you must first be greeted by rows of neatly stacked treadmills. People running on the treadmill, regardless of age,regardless of gender,can control their running speed all by themselves,with sports games playing in the monitor in the front of the equipment,and ears full of beautiful music from their iPods. Such a picture of “doing my own fashion fitness” is really exciting.As the consumers are enjoying the fun of exercising,the operators of the gyms, Nowadays, as you walk in the domestic cities, colorful and dynamic signs of gyms will always come into your view. When you walk into the gym, you must first greeted by rows of neatly stacked treadmills. People running on the treadmill, regardless of age, regardless of gender, can control their running speed all by themselves, with sports games playing in the monitor in the front of the equipment, and ears full of beautiful music from their iPods. Such a picture of “doing my own fashion fitness ”is really exciting. As the consumers are enjoying the fun of exercising, the operators of the gyms,