The invention discloses a household safe and sanitary device for preparing sugar from beets. The device comprises a body. A bent lever cavity is arranged in the body. The upper side of the bent levercavity is provided with a bevel wheel cavity. The bottom wall of an opened cavity is provided with a hinge connection cavity. The front side of the hinge connection cavity is provided with a drive cavity. A transmission motor drives a motor shaft to rotate so as to drive a threaded rod to move backwards. A slide rod is driven to slide backwards. A short rod drives a hinge block to move downwards.A closing plate is opened. Residues can be taken out from the opened cavity after juicing. The provided device can heat beet juice and stir beet juice at the same time, and the boiling becomes more efficient therefore.