The invention discloses a rapid paint spraying device for columnar LED lamp poles. The rapid paint spraying device for the columnar LED lamp poles comprises a base, a first sliding groove, a first supporting column, a second sliding groove, a positioning pin, a first fixing column, a first storage barrel, a second supporting column, a second fixing column, a second storage barrel, an electric pushrod, a lamp pole, a motor, a rotary shaft, a gear, a paint spraying shell, an annular rack, a first limiting ring, a second limiting ring, paint spraying boxes, a first paint feeding pipe, a paint sucking pump, a second paint feeding pipe, a third paint feeding pipe, sprayers, a fan, an electric heating net, a sliding ring, a fixing board and a heating shell. The rapid paint spraying device for the columnar LED lamp poles is reasonable in structure and novel in design, achieves the effect of automatically spraying paint to the columnar lamp poles comprehensively, ensures the paint spraying quality of the lamp poles, improves the paint spraying efficiency, shortens the paint spraying time, relieves the labor intensity of workers, ensures the antirust effect of the lamp poles, facilitates use, and is high in practical value and suitable for being used and popularized.