The utility model relates to an adjustable electric tool cabinet. The adjustable electric tool cabinet is characterized in that a cabinet body (2) is perpendicularly divided by a first partition plate (8) and a second partition plate (9) into a first longitudinal groove (10), a second longitudinal groove (11) and a third longitudinal groove (12), the second longitudinal groove (11) is internally provided with upper sliding grooves (13) and lower sliding grooves (14) at intervals, and movable partition plates (5) are arranged in the upper sliding grooves (13) and the lower sliding grooves (14) respectively and can horizontally slide in the upper sliding grooves (13) and the lower sliding grooves (14); positioning columns (6) corresponding to the movable partition plates (5) are arranged on the inner wall of the cabinet body (2) and connected with fixing devices (7) through sliding grooves (62) in the two sides, and fixing openings (72) are clamped on the movable partition plates (5) to enable structures among the fixing devices (7), the movable partition plates (5) and the positioning columns (6) to be relatively stable. By means of the adjustable electric tool cabinet, convenience is brought to urgent repair use, and the urgent repair efficiency is improved.