Air conditioner outdoor unit

The utility model relates to the technical field of furniture, and provides an air conditioner outdoor unit, a valve pipe assembly and a four-way valve lower than the valve pipe assembly are arranged in the air conditioner outdoor unit, the valve pipe assembly comprises a condensation connecting pipe, an exhaust pipe and an air return pipe, and a condenser and a compressor are further arranged in the air conditioner outdoor unit. The condensation connecting pipe is communicated with the condenser and the four-way valve, the exhaust pipe is communicated with the four-way valve and the compressor, one end of the air return pipe is connected with the four-way valve, the other end of the air return pipe is connected with a gas-liquid separator, a first damping block is arranged on the condensation connecting pipe, a second damping block is arranged on the exhaust pipe, and a damping block is arranged on the air return pipe. And the risk that each pipeline is damaged in the running process or the conveying process