Photoresist coating device

The invention relates to a photoresist coating device, which comprises a photoresist collecting tank for temporarily storing photoresist; the photoresist supply pipeline is connected to the photoresist collection tank; the pump is connected to the photoresist supply pipeline; the photoresist pressurizing equipment is connected to the photoresist supply pipeline at the rear part of the pump; the photoresist circulating pipeline is arranged at the rear part of the photoresist pressurizing equipment, and is used for connecting the photoresist supply pipeline to the photoresist collecting tank; the photoresist discharge pipeline is connected to the photoresist supply pipeline at the rear part of the photoresist circulating pipeline; the photoresist discharge valve is connected to the photoresist discharge pipeline; and a photoresist discharge nozzle connected to the photoresist discharge valve. 一种光刻胶涂覆装置，包括：光刻胶收集罐，临时存储光刻胶；光刻胶供应管道，连接到光刻胶收集罐；泵，连接到光刻胶供应管道；光刻胶加压设备，在泵的后部处连接到光刻胶供应管道；光刻胶循环管道，在光刻胶加压设备的后部处，该光刻胶循环管道将光刻胶供应管