The invention discloses a tea screening device with the drying function. The tea screening device comprises a main body; a feeding hopper is arranged on the lower portion of the main body, a scatter stick is arranged below the feeding hopper, a first screening net is arranged below the scatter stick, the left end of the first screening net is hinged to the main body, a first connecting rod is arranged at the right end of the first screening net in a hinged mode, a first sliding ring is arranged at the upper end of the first connecting rod and arranged on a first crank pin in a sliding mode, and the first crank pin is arranged on a rotating shaft; and the left end of the rotating shaft is arranged on a mounting seat through rolling of a bearing, a driving device is arranged at the right endof the rotating shaft, a second crank pin is arranged on the rotating shaft, a first conveying belt is arranged below the first screening net, a first collecting tank is arranged below the left end of the first conveying belt, a second screening net is arranged below the first conveying belt, the left end of the second screening net is hinged to the main body, a second connecting rod is arrangedat the right end of the second screening net in a hinged mode, the upper end of the second connecting rod is arranged on a second sliding ring, and the second sliding ring is slidably arranged on thesecond crank pin.