The invention provides a fruit treatment assembly line with a drying device. The assembly line is used for treating apples and comprises a feeding port, a cleaning device, the drying device and a pitremoval slicing device which are communicated with one another and used for conducting feeding, cleaning, drying and nuclear removal slicing on the apples respectively; the pit removal slicing devicecomprises a cutting frame, a cutting rail, a pre-treatment unit and a cutting unit, the cutting rail, the pre-treatment unit and the cutting unit are fixed to the cutting frame, and the cutting rail is provided with a plurality of accommodating trays. The fruit treatment assembly line with the drying device achieves integrated automatic treatment of cleaning, drying, pit removal and cutting on theapples, the intelligence degree of the whole assembly line is high, and the labor cost is greatly reduced.