Running machine with improved structure

The utility model relates to a running machine with an improved structure, particularly a running machine, the height of which is lowered to ensure the safety of a user. The utility model has the main structure that the utility model comprises a running belt group, a motor, a fixing rod, and a control stand. The utility model is characterized in that a folding and opening rotary fulcrum of a running machine is positioned at a connecting rod and a penetrating connecting rod and is not fixed, and the connection point of the penetrating connecting rod and a fixture nears a front edge corner of the fixture. When the running machine is flatly lay and is closed up to the ground, a user can not have the fear of standing on an altitude for running; thereby, the stability of the running machine and the can be increased, and the appearance is beautiful.