Directional sidetrack drilling slim hole tool

The invention belongs to a drilling operation tool, and particularly relates to a directional sidetracking slim hole tool. The directional sidetracking slim hole tool is mainly composed of a drilling tool working window assembly, a transmission assembly, a hydraulic anchor and the like. The drilling direction and angle of the drilling tool are determined by the direction of a lower port of a guide pipe in the drilling tool working window assembly and the radian of an oblique angle. A pressure signal with the working position of the slant body can be released from a well mouth, and the working position of the slant body is adjusted by controlling an electric device through a control circuit in the directional sidetrack slim hole tool, so that the lower end opening of the guide pipe reaches the required direction and bevel angle, and the drilling direction of a drilling tool is controlled. The sidetrack drilling direction and angle of the drilling tool can be adjusted according to actual requirements, the appli