The invention discloses an automatic honey extractor, and belongs to the field of agricultural machines. The automatic honey extractor is characterized by comprising a base, a honey cover cutting mechanism and a honey shaking mechanism, the honey cover cutting mechanism comprises a shell, a first motor, chain wheel and chain structures, a gearbox, cutters and a water pump, the two parallel cuttersare arranged on the lower side of a nozzle in the shell, a material guide groove is fixed to the outer side face of each cutter, the two chain wheel and chain structures are located in the shell, a pressing block is arranged on each chain, the honey shaking mechanism is located on the lower side of the honey cover cutting mechanism, the honey shaking mechanism comprises a rotary table, honey barrels, a support, a commutator, a motor, a first grid plate and a second grid plate, and the three honey barrels are evenly distributed on the periphery of the center of the rotary table. Compared withthe prior art, the automatic honey extractor has the advantage that honey cutting and shaking can be automatically completed.