Crop harvester

A crop harvester includes a base having a front section and a rear section connecting to the front section, where the front section has an edge and an upward slanting surface extending from the edge towards the rear section; a conveyance unit, disposed upon the front section, transporting an object in a front-to-back direction; a cutting unit, disposed at the edge of the front section and joined with the conveyance unit, comprising a cutting member connected to two sides of the base and a driving member for driving the cutting member to move back and forth; and a height-adjustment member connected to the cutting unit for adjusting the cutting unit in position along a vertical axis. The crop harvester in the embodiments can change the positions of the cutting unit for gathering various types of cultivated produce varying in height.