Plastering knife for plastering and smoothing internal and external corners

The utility model relates to a plaster knife for plastering and smoothing internal and external corners. The trowel for plastering and smoothing the internal and external corners comprises a V-shaped trowel body and a handle, and the handle is a telescopic handle with the adjustable length, so that constructors can conduct construction on the internal corners and the external corners at the high positions conveniently; the cutter body is hinged to the handle so that the angle between the cutter body and the handle can be conveniently adjusted, and internal corners and external corners can be conveniently constructed. The knife body and the handle are fixed through a fixing piece. The handle of the plaster knife for plastering and smoothing the internal and external corners is a telescopic handle, so that the internal corners and the external corners at high positions can be smoothed by standing on the ground, and the problem that the safety coefficient is reduced due to the fact that constructors stand at hig