Photovoltaic solar support automatic production line can produce a variety of cross-section specifications and models of support profiles by switching. It is quick and convenient to change the plate type, and one person can operate the whole line. And the production efficiency is high, and the line speed can reach 20 m/min. PLC centrally controls the entire line of uncoiling, leveling and feeding, fixed-length punching, roll forming, follow-up cutting, and discharging. Multiple sets of parts data tasks can be set at one time, automatic production, and remote control.