A crawler-type self-walking tending machine for an oil-tea camellia forest comprises a chassis rack, a crawler-type self-walking mechanism is arranged under the chassis rack, a diesel power system, a driver seat, an operation desk, a hydraulic oil pump in driving connection with the diesel power system and a hydraulic oil tank supplying oil to the hydraulic oil pump are installed on the chassis rack, the diesel power system drives the crawler-type self-walking mechanism to move on the ground, and a movable operating handle of the crawler-type self-walking mechanism is installed on the operation desk. The crawler-type self-walking tending machine is characterized in that a mowing and smashing work head and a deep tillage combined operation head are hinged to the front end and the rear end of the chassis rack respectively. The crawler-type self-walking tending machine for the oil-tea camellia forest conducts mechanical meticulous tending on planting soil of the oil-tea camellia forest, can complete tending operation of completing mowing, grass smashing and deep tillage soil turning, improves the efficiency of tending the oil-tea camellia forest and relieves manual labor intensity.