The invention relates to a portable electric pruner. The portable electric pruner comprises a shell, a power device arranged in the shell, a transmission mechanism, an operating control device and a shearing device arranged at the front end of the shell; the shell comprises a left shell and a right shell which form a handle shape together; the shearing device consists of a small static blade assembly and a small movable blade assembly, and the small movable blade assembly comprises a movable blade and driving fan teeth; a static blade and the movable blade are arranged in a scissors shape, and the driving fan teeth are fixedly arranged at the rear end of the movable blade. The pruner is driven by adopting an electric mode, has an electrifying indicating function and can have multiple working modes capable of being randomly switched; and modular design is adopted in the pruner, so the pruner has low failure rate and is convenient to maintain.