The invention discloses a multifunctional chair for software development of technicians. The multifunctional chair comprises a base and a seat, wherein universal wheels distributed at equal intervalsare fixed on the outer wall of the bottom of the base through bolts; a vertical arc seat is fixed on the outer wall of the top of the base through bolts; a hydraulic cylinder is fixed on the inner wall of the bottom of the arc seat through bolts; a vertical push rod is welded on the outer wall of the top of a hydraulic rod of the hydraulic cylinder; a horizontal connecting rack is fixed at the topof the inner wall of one side of the arc seat through bolts; a cooling fan is fixed on the inner wall of one side of the connecting frame through bolts; a mounting seat is welded on the outer wall ofthe bottom of the seat; a first groove is formed in the outer wall of the bottom of the mounting seat; a bearing is welded on the inner wall of the first groove. The structure is enriched and can beadjusted according to different temperature environments, functional diversity of the device is improved, a user can receive back massage to be relaxed, and practicability of the device is improved.