The present invention relates to a mower control device for mowing the mowing surface smoothly. In parks and golf courses where landscape maintenance is required, fry mowers, self-propelled rotary mowers, etc. are mainly used to mow grass or grass on slopes and bends. This equipment is used due to the function that the height of the mower is uniform and the surface is smooth, but it is heavy, making it difficult to move and difficult to operate. In addition, if the bent part is severe, the grass is long-grown, or when it is wet with dew, it may not be cut smoothly and may be crushed and clumped together. The lawn mower control device according to the embodiment of the present invention includes a sliding circle (1) that is in contact with the ground during mowing work, a pre-adjustment screw (4) integrally welded to the sliding circle, and a cutting circle that cuts the grass finely ( 2), characterized in that it consists of a cutting circle support frame (5) welded integrally with the cutting circle, and a working rod fixing frame (3) welded integrally with the cutting circle support frame. According to an embodiment of the present invention, it is easy to move and operate by attaching to a lawn mower, and the surface to be mowed is maintained evenly and smoothly at a constant height, and it is necessary to maintain the landscape because the cut grass is not crushed or lumped into pieces. It is possible to reduce labor and cost by replacing the fry mower, self-propelled rotary mower, etc., which are mainly used for mowing grass or grass in slopes and bends in parks, golf courses, etc., and supplementing the disadvantages.본 고안은 풀베기 작업표면을 매끄럽게 깎기 위한 예초기 예고조절장치에 관한 것이다. 경관유지가 필요한 공원, 골프장 등에서는 경사면, 굴곡부분 등의 잔디나 풀을 깎기 위해 프라이 모어, 자주식 로터리모어 등을 주로 사용한다. 풀이 깎이는 높이가 균등하고 표면이 매끄럽게 유지되는 기능 때문에 이러한 장비가 사용되고 있으나 무거워서 이동이 불편하고 조작이 힘들다. 또한 굴곡이 심한 부분, 풀이 길게 자라있거나 이슬에 젖어 있을 경우 잘려짐이 원활하지 않고 으깨져서 덩어리로 뭉치는 경우가 발생할 수 있다. 본 고안의 실시예에 따른 예초기 예고조절장치는 풀베기 작업 중 지면에 접촉되는 스라이딩서클(1), 스라이딩서클에 일체형으