The invention provides a UV paint spraying device with a UV paint separation recycling device. The UV paint spraying device includes a spraying mechanism, a connecting part and a separation recyclingmechanism, wherein the spraying mechanism is provided with a first machine casing; the connecting part is provided with a horn-shaped pipe which is provided with a first end portion and a second end portion, and the first end portion is covered with a grating plate and connected with the first machine casing; the separation recycling mechanism is provided with a second machine casing, a second chamber is disposed in the second machine casing, the second end portion is connected with the second machine casing, a fan portion is mounted on the second machine casing, an impeller portion is mountedin the second chamber and provided with a shaft sleeve part, the shaft sleeve part sleeves a shaft body and is sleeved with a circular frame body, an annular space is in the circular frame body, a plurality of connecting rods are disposed in the annular space and evenly distributed in the annular space in the circumferential direction of the annular space, the shaft body is connected with a driving part, and the bottom of the second chamber is provided with a recycling part. Compared with the prior art, the UV paint spraying device can have a paint mist blocking effect, the paint use cost isreduced, and the UV paint spraying device is simpler in structure and improves separation and recycling efficiency.