The utility model relates to a splash-proof shield for microwave digestion. The splash-proof shield for the microwave digestion comprises a top board with an opening in the center, a handle is connected with the opening; lateral boards are positioned on the lower side of the top board, and connected with the left end and the right end of the top board; movable boards positioned on the lower side of the top board and connected to top board through a hinge are arranged at the front end and the rear end of the top board; the handle adopts a hollows structure, and a plurality of vent holes communicated with the opening are formed in the sidewall of the handle. The splash-proof shield for the microwave digestion not only can guarantee the safety of experimental staff, but also facilitates the maintenance of instruments.