The invention provides a traction type cyperus esculentus harvester, belongs to the technical field of agricultural machinery, and particularly relates to a cyperus esculentus harvester. The tractiontype cyperus esculentus harvester comprises a main machine frame, wherein a transmission system, a rotary digging device, a digging shovel, an elevating net chain assembly, a travelling wheel combination, a dual-drum threshing device, a vibrating screen assembly, a horizontal conveying device, an impurity sucking fan, a belt elevator and a grain tank are arranged on the main machine frame; the digging shovel is mounted at the rear part of the rotary digging device; the elevating net chain assembly is obliquely arranged on the main machine frame, and two ends of the elevating net chain assemblyare adjacent to the digging shovel and the dual-drum threshing device; the vibrating screen assembly is arranged below the dual-drum threshing device; the horizontal conveying device is located outside an outlet of the vibrating screen assembly; the impurity sucking fan is arranged above the horizontal conveying device; and the lower end of the belt elevator is located below the front part of thehorizontal conveying device, and the upper end of the belt elevator extends to the edge of a grain tank. Through the adoption of the traction type cyperus esculentus harvester disclosed by the invention, the harvesting efficiency is notably improved, the machine harvesting loss is reduced, and operating cost is saved.