The invention provides a wheel assembly with integration of independent driving, steering, suspending and braking, which comprises a wheel driver, a suspender, a steering device and a braker, wherein the driver comprises wheels and a wheel hub electric motor, the suspender comprises an upper cross arm, an equal-speed universal joint, a steering joint, a ball head, a lower oscillation arm and a shock absorber, the steering device comprises a steering electric motor, a telescopic universal joint, a driving bevel gear, a driven bevel gear and an absolute encoder, and the braker comprises a braking disk, a pair of float-type braking caliper and a braking hydraulic system. By using vehicle front wheels or back wheels for steering or four wheels for independent steering, the invention realizes zero-radius original-place steering and translational movement along any direction, the line-control driving, line-control steering and line-control braking of the vehicle, and the independent controlon the driving, the steering and the braking of the wheels, and enables the vehicle to run in a best mode.