The utility model discloses a simple parking device capable of being used for longitudinally parking in a roadside parking area by utilizing a manual mode and accurately, quickly and safely parking in a narrow and small space where a car is difficultly parked and even cannot be parked. A parking method comprises a car tail moving method, a car head moving method and a car moving method (the car tail moving method is adopted in the following description). The simple parking device comprises a base and a supporting mechanism, wherein the supporting mechanism is used for suspending tires and comprises a clamping lifting mechanism and a universal moving wheel. During parking, a car head part is directly moved to a parking position, the four connecting rods of the clamping lifting mechanism are arranged around the tires and connected in a 'ladder' shape, clamping nuts are rotated, the rear connecting rods swing forwards, the 'ladder' shape gradually turns into a 'rectangular' shape, the tires are clamped by the front connecting rod and the rear connecting rod and forced to be lifted up, the two tires fully leave from the ground for suspension, and a car tail part is moved to the roadside under the action of an external force, so that the car is accurately and quickly parked. The simple parking device is low in manufacturing cost and simple and convenient to operate; and only the two rear tires need to slightly leave from the ground for suspension by a manual operation of a driver, so that the car can be parked accurately, safely, quickly and conveniently.