The utility model belongs to the technical field of medicine apparatus technique and specifically relates to an alpha - glucosidase presses down preparation kit, the main part includes case lid, box,anchor clamps and viewing device, be equipped with the case lid on the box, be equipped with sealed the pad between case lid and the box, be equipped with the water intaking valve on the case lid, theboth sides of box are equipped with viewing device, and viewing device size, material and the structure of both sides are identical, viewing device includes flange no. 1, flange no. 2 and organic glass, flange no. 1 passes through welded connection with the box, flange no. 1 passes through bolt fixed connection with flange no. 2, organic glass is established to flange no. 1 and flange between two, the curb plate downside of box is equipped with the blowoff valve, be equipped with alpha - glucosidase reagent bottle, PNPG reagent bottle, temperature sensor and heater in the box. The utility model discloses, the internal temperature of ability control box through 96 fixed orifice plates of anchor clamps, can see through the reaction condition in the viewing device observation box.