The invention discloses an electrostatic flocking process and an electrostatic flocking device for the electrostatic flocking process. The electrostatic flocking device comprises a pre-coating device, a coloring device and a flocking device, wherein a four-wheel deviation rectification structure is arranged on the front part of the flocking device, and a falling flock cleaning structure is arranged on the rear part of the flocking device. The electrostatic flocking device is simple and delicate in structure, and has good flocking effects; the electrostatic flocking process and the electrostatic flocking device can be used for realizing chromatic flocking and automatic flocking, so that high flocking efficiency is ensured, and the labor intensity is reduced; an obtained product is aging-resistant, abrasion-resistant and free of flock falling, and has sound absorption and dust absorption air purification functions.