The utility model relates to a multi -functional hiller of rack and pinion formula suitable for long -stalked crops intertillage is earthed up, including the frame, divide native device, protect the leaf device, hydraulic means, the spiral sword of earthing up, still including setting up ridge distance guiding mechanism and the ridge slope guiding mechanism in the frame. This hiller can be convenient pass through parts such as regulating handle, screw rod for the angle that the spiral was earthed up and is removed about the sword can be realized and incline the difference, the realization ridge shape size that can be convenient and the adjustment of the height of earthing up to adapt to the ground condition requirement in different fields, it is efficient to earth up, when earthing up, the spiral is earthed up the sword pivoted while simultaneously, can reach the purpose of weeding. This hiller compact structure, ridge shape is adjustable, and strong adaptability is fit for the single ridge inter -ridge intertillage of long -stalked crops such as maize, tobacco, sugarcane and earths up.