The invention discloses a novel sealing packaging container. The novel sealing packaging container comprises a container cover and an open container body. The edge of the container cover is provided with a first inner matching groove and a first outer matching groove of a revolution structure. The opening edge of the container body is provided with a second inner matching groove and a second outermatching groove of a revolution structure. The second inner matching groove is nested in the first inner matching groove. The first outer matching groove is nested in the second outer matching groove. The novel sealing packaging container is further provided with an anti-releasing structure. At least one pair of corresponding groove walls of the first inner matching groove and the second inner matching groove are in a matched cone shape and are attached to each other. The outer groove wall of the first outer matching groove and the outer groove wall of the second outer matching groove make mutual line contact in an elastic abutting mode. The outer groove wall of the second outer matching groove extends downwards from the upper end to be provided with two easily tearing indentations. The part between the two indentations forms an anti-counterfeiting easy pull strip. The depth of the two indentations is slightly less than the wall thickness of the outer groove wall of the second outer matching groove. The novel sealing packaging container has high non-deformability and is stable in anti-releasing structure and good in sealing performance.