Inside & outside barrel brushing machine for drink water barrel has applied advanced foreign technique. On the basis of foreign products of same line, we have newly designed and made it. By applying the theory of cylinder, the barrel is turned by 1800.The gears are driven by inverter motor so that the brush can revolve. The brush conducts automatic 3600 brushing for the inside & outside surfaces of the barrel. Automatic water spray realizes the target of washing. PLC programmable control system is arranged. It has applied electric and gas automatic control, all actions are well linked, the function of full automatic barrel brushing is realized. At present, it is most new-style and usable equipment in barrel packing production line.