Disclosed is a fully automatic high-pressure annular coil zinc-spraying machine provided with roller balls (a31), comprising a rotating column (b1), a rotating motor (b5) driving the rotating column to rotate, and a lifter (b4) lifting and lowering the rotating motor and the rotating column, wherein one side of the rotating column is provided with a first transmission belt set (b21), the other side of the rotating column is provided with a second transmission belt set (b22); the first transmission belt set and the second transmission belt set both comprise two sub-transmission belts provided in parallel; the sub-transmission belts of the first transmission belt set are both provided with multiple baffle walls (b3); and the rotating column is provided with a coil lifting zinc-spraying structure used for lifting an annular coil (c1) and performing zinc spraying, realising fully automatic zinc-spraying equipment, fully replacing manual labour, without the need for a protection plate mounted for each coil, saving