The utility model provides an adopt high -efficient salt making equipment that grinds of crude salt preparation fine salt, it grinds and sets up that left crude salt advances a section of thick bamboo and right crude salt advances a section of thick bamboo on the chamber to go up the disk, left side crude salt advances a section of thick bamboo and right crude salt and advances between the section of thick bamboo fixed mounting disk and grind grinding machine, the drive shaft is installed in grinding machine is ground to the disk, the lower extreme fixed mounting top lap of drive shaft, bolt fixed mounting ground the chamber in last disk bottom is passed through in disk grinding chamber down, the central fixed mounting lift cylinder of the inside in chamber is ground to the disk down, the axle that goes up and down is installed in the lift cylinder, the top fixed mounting lower lapping plate of lift axle, the bottom in disk grinding chamber sets up the fine salt and grinds the chamber down, the fine salt grinds the chamber and sets up a left side down between the disk grinding chamber and goes out a salt section of thick bamboo and a right side play salt section of thick bamboo, the fine salt grinds intracavity installation fine salt grinding ball. The utility model discloses a design of top lap and lower lapping plate can realize the first of crude salt and grind that simultaneously, the fine salt grinding ball grind, can further grind salt.