The invention relates to a balance pressurization type high efficiency digestion apparatus, which comprises a pressure vessel, a pressurization unit, a heating block, a heating resistance wire, an air cooling pipeline, an inflator, a sample pipe and outlet pipe; the pressurization unit and the pressure vessel are communicated, and the heating block is equipped in a pressure vessel, and the heating resistance wire and the heating block are connected, and the air cooling pipeline is in the heating block, and one end of the air cooling pipeline is connected to the inflator equipped outside the pressure vessel, and the other end extends to the outside part of the pressure vessel, and the sample pipe is inserted on the heating block, and one end of the outlet pipe is equipped in the pressure vessel, and the other end extends to the outside of the pressure vessel. Compared with the prior art, the invention employs a method for digesting many samples simultaneously in an integral pressurization container, thereby completing digestion front treatment of the sample, and ensuring accuracy of the test result under the same condition, and a filtering processing can be obtained by gas generated in digestion; the invention has the advantages of rapid, safety, environmental protection and energy saving.