Cigar tobacco plant topping device and topping method

The invention provides a cigar tobacco plant topping device and a topping method. The cigar tobacco plant topping device comprises a topping rod, a topping knife and a fork frame; the topping knife is fixedly mounted on the side wall near the top end of the topping rod through a base, and a knife body of the topping knife and the axis of the topping rod are coplanar; the fork frame is fixed to the topping rod below the base of the topping knife through a fork handle; a plurality of fork teeth are arranged on the fork handle in parallel at intervals, and the tail ends of the fork teeth exceed the top end of the topping rod. When the cigar tobacco plant topping device provided by the invention is used, firstly, the fork teeth are utilized to pierce flower leaves and flower branches at the top end of a tobacco plant, then the topping knife on the topping rod is utilized to cut off the top end of the tobacco plant, and as the flower leaves and the flower branches at the top end of the tobacco plant are inserted b