The invention discloses a greenhouse radish embedded type fertilizer device. The fertilizer device comprises a guide rail, a guide rack, a charge container and a driving mechanism, wherein the guide rack is arranged on the guide rail and is driven by the driving mechanism to slide back and forth on the guide rail; the guide rack comprises a base and a guide rod; the base is arranged on the guide rail; one end of the guide rod is fixedly connected with the base; the guide rod comprises a first lateral plate, a second lateral plate, a third lateral plate and a fourth lateral plate; the first lateral plate, the second lateral plate, the third lateral plate and the fourth lateral plate are connected end to end to form a rod chamber; an included angle a is formed between the first lateral plate and the second lateral plate; first fertilizing holes are formed in one ends, far away from the base, of the first lateral plate and the second lateral plate, and the intersection of the first lateral plate and the second lateral plate; an included angle b is formed between the third lateral plate and the fourth lateral plate; second fertilizing holes are formed in one ends, far away from the base, of the third lateral plate and the fourth lateral plate, and the intersection of the third lateral plate and the fourth lateral plate; the charge container is arranged on the guide rack; a discharging hole communicated with the rod chamber is formed in the charge container. The greenhouse radish embedded type fertilizer device can effectively enhance the fertilizing effect of the fertilizer.