The invention discloses a multifunctional tea leaf cleaning machine which comprises a support, a water tank, a plurality of ultrasonic generators, a bubble generating pipeline, an air compressor, a slide bar, a lifting cylinder and at least one bucket. The water tank is mounted on the support, the ultrasonic generators are mounted in the water tank, a stirring roll is mounted in the water tank, a motor is connected to an end of the stirring roll, the air compressor is positioned below the water tank, the bubble generating pipeline is mounted in the water tank, the air compressor is connected with the bubble generating pipeline by an air delivery pipe, a cleanser storage tank is mounted on the support and is connected with the water tank by a liquid delivery pump, the slide bar is mounted on the support and is positioned above the water tank, a slider is mounted on the slide bar, a slide motor and the lifting cylinder are mounted on the slider, and the buckets are connected onto the lifting cylinder. The multifunctional tea leaf cleaning machine has the advantages that cleaning effects can be effectively improved, pesticides and other pollutants on the surfaces of tea leaves can be effectively removed, the tea leaves can be automatically discharged after being completely cleaned, and accordingly the cleaning efficiency can be improved.