During culture process of tobacco seedlings, manual leaf-cutting is labor intensive, thus a an intelligent control system for YJY-ZD bridge type leaf-cutting machine was designed to solve the problems like complex operation, high labor costs, less efficient, low automation level, etc as exhibited by the existing leaf-cutting machines have. This system is constituted by action element, information acquisition unit, information processing unit and control circuit, which can start the cutting machine by a key, during which motion of reciprocating mechanism in crosswise and motion of the whole mac...