The invention provides a lamp intelligent control device used for lamp wireless control. By arranging preview light source, the lamp intelligent control device displays lighting effects correspondingto operations toward users, enables users to preview and control lighting effects of lamps visually, prolongs the service life of the lamps and improves the interaction and user experience. Moreover,the lamp intelligent control device can switch between a key control mode and a posture control mode. Under the posture control mode, a placing posture determination unit determines the posture of thelamp intelligent control device when being statically placed, according to the determined placing posture, a main control circuit board determines the corresponding scenario modes and/or lighting color to set instructions, controls the preview light source to light, further controls the lamp to light after the user confirm the previewed lighting effect by specified gesture operation, which provides entertainment and interaction in control operation.