The invention belongs to the technical field of automation and particularly relates to drying equipment and a working method for the drying equipment. The drying equipment comprises a control module,a hot air flow source, an air flow nozzle arranged to align a workpiece paint-sprayed surface, an air flow pipeline used for connecting the hot air flow source and the air flow nozzle and an air flowadjusting valve located at the air flow nozzle, wherein the control module is suitable for controlling and opening the air flow adjusting valve to make the air flow nozzle spray out hot air flow to the workpiece paint-sprayed surface continuously, the workpiece paint-sprayed surface is guaranteed to be flat, and the drying effect is improved.