Abstract: A central water purifier control valve comprises: a valve body, a valve core component, and a lock tight cover. The valve core component is disposed vertically in the valve body, including; a cover shape valve core sleeve, having a lower opening; a valve core bottom seat plate, fixed at the lower opening of the cover shape valve core sleeve; a fix ceramic plate, disposed between the cover shape valve core sleeve and the valve core bottom seat plate; a movable ceramic plate, disposed between the cover shape valve core sleeve and the valve core bottom seat plate; and a rotation axis, disposed between an inner wall of the cover shape valve core sleeve and the valve core bottom seat plate, used to drive the movable ceramic plate into rotation, while penetrating through the cover shape valve core sleeve.