The present invention relates to an adhesive tape which extends in the longitudinal direction of a fence and has a width covering both sides of the fence in a widthwise direction and which has a width across the fence and is adhered along the longitudinal direction at both ends in the width direction, The automatic covering device of the paddy vinyl which is fixed to the furrow through the vinyl and the adhesive tape by arranging the fixing fixtures which are fixed at intervals in the longitudinal direction and is located at each furrow position to move along the furrows of both sides with one furrow A frame to which a wheel is attached; A vinyl roll mount portion extending in the width direction with respect to the frame in the front direction of the running direction and in which the roll of vinyl is rotatably mounted on the frame such that the vinyl is released as the automatic lid device runs; Two adhesive tape mounting portions rotatably supporting the rollers of the adhesive tape so that the adhesive tapes are respectively adhered to both widthwise ends of the vinyl released from the vinyl rollers at the back of the vinylroll mounting portion and attached to both sides in the width direction of the frame respectively; A fixture inserting mechanism configured to penetrate a portion of the vinyl tape having the adhesive tape attached thereto at the back of the adhesive tape mounting portion and to be inserted into the fixture through the portion to which the adhesive tape is attached; And a handle rotatably mounted on the frame, the handle gripping the operator to advance the automatic lid apparatus and operate the fixture insertion mechanism.본 발명은, 밭이랑의 길이 방향으로 연장되어 밭이랑을 덮고 그 폭방향 양단이 밭고랑에 걸쳐지는 폭을 가지며, 폭방향 양단에는 비닐의 강도를 보강하는 접착 테이프가 길이 방향을 따라 접착되고, 밭고랑에 삽입되어 고정되는 고정구가 길이 방향으로 간격을 두고 배치되어 비닐과 접착 테이프를 관통하여 밭고랑에 고정되는 밭고랑 비닐의 자동 덮개 장치로서, 하나의 밭이랑을 중심으로 양측의 밭고랑을 따라 이동하도록 각각의 밭고랑 위치에 휘일이 부착되는 프레임; 진행방향 앞쪽에서 프레임에 대해 폭방향으로 연장되며, 자동 덮개 장치가 주행함에 따라 비닐이 풀려나가도록 비닐의 로울이 프레임에 대