The invention discloses a tillage combination method for soil and water conservation of sloping farmland, relating to the field of tillage methods for soil and water conservation. The tillage combination method comprises that slope land is divided into several farming units along the contour lines though level terraces; alternate sloping tillage of longitudinal tillage and transverse tillage are performed in the longitudinal direction of each tillage unit; pedestrian stone steps are constructed on both sides of sloping farmland; a drainage ditch is dug between the sloping fields and the pedestrian stone steps and transverse furrows and drainage channels are connected; every three years, the transverse tillage is performed on the sloping farmland and the slope is ridged again; the furrows are deeply scarified each year; After heavy rainfall, transverse furrow and longitudinal furrow are repaired and the drainage ditch is cleaned. The tillage combination method combines short ridge farming, the terraces, the pedestrian stone steps, the drainage ditch, deep tillage and deep scarification, periodic repairing furrow and cleaning drains regularly to form a new tillage combination of sloping farmland, so as to reach the purpose of soil and water conservation of sloping land and crop yield increasing.