The utility model relates to the technical field of food processing. The mango kernel husking device comprises a husking device body. The device comprises a shell and a supporting column, the rear endface of the top end of the shell is fixedly connected with a second motor. a main shaft of the second motor is fixedly connected with a gear; the gear is engaged with a rack; supporting columns are arranged at the left and right ends of the bottom side of the rack; a first sliding groove is formed in the bottom end of the left side of the rack. the top end of the supporting column at the left endis fixedly connected with a first sliding block; according to the utility model, the structure is simple;, a rack, a gear and a second motor are arranged; according to the mango seed husking machine,the second motor can drive the gear to drive the rack to move, then mango seeds of different sizes can be put into the rack, the cost for manufacturing husking machines of various specifications is greatly saved, the practicability is improved, and the mango seed husking machine has huge economic benefits and wide market prospects in the field of food processing and is worthy of application and popularization.