The invention discloses a size labeling error correction self-adaptive adjustment method in a Solids two-dimensional engineering drawing. The size labeling error correction self-adaptive adjustment method comprises the following steps: 1) obtaining a view object; 2) judging whether the size quantity in the current view size object is empty or not; 3) obtaining midpoint coordinates of the current view and diagonal point coordinates of a view envelope box; 4) obtaining annotation, start arrow and end arrow coordinates of the view annotation size annotation text; 5) classifying the sizes into horizontal sizes, vertical sizes and other sizes according to the arrow coordinates marked by the sizes; 6) layering and adjusting the horizontal size and the vertical size according to the midpoint coordinates and the diagonal point coordinates; 7) performing interference judgment on all size marks, and 8) performing self-adaptive adjustment on other interference sizes. According to the size labeling error correction self-adaptive adjustment method, rearrangement and distance specification adjustment of the dimension marks in the two-dimensional engineering drawing are achieved, and the problemof interference of the dimension mark positions in the two-dimensional engineering drawing which is rapidly generated after variant design is effectively solved, and standardization of the drawing isfacilitated.