The utility model relates to a portable leaf shearer, which is used for shearing leaves when greening a seeding plate or a garden. The portable leaf shearer is mainly composed of a housing, an electric motor (1) and a blade impeller (2), wherein, the housing adopts a hollow sleeving structure which can be divided into a shearer head (3) and a collecting cover (4) from the middle part, a handle (7) is arranged on the shearer head (3), a switch (8) is arranged on the handle, a bit opening (9) of the shearer head (3) faces to the lower part, the blade impeller (2) is positioned in the bit opening (9) and is level to the bit opening (9), and an electric motor main shaft (1) passes through a bracket (11) to be connected with the blade impeller (2). The portable leaf shearer has simple structure, convenient use, speediness, high efficiency and energy conservation.