An upright placeable lawn mower structure includes a casing a wheel assembly a rear panel a front panel and height adjustment stands. The rear panel is secured to the casing. The height adjustment stands include left and right height adjustment stands provided on left and right sides of the casing. The wheel assembly is provided on an outer side of the casing. The wheel assembly includes front wheels, rear wheels, a wheel axle provided between the front wheels, and a further wheel axle provided between the rear wheels. The structure is simple. It is easy to place the lawn mower, and can reduce occupied space. The push rod of the lawn mower is easy to fold.
