Throttling device and air conditioner

The utility model discloses a throttling device and an air conditioner, and the throttling device comprises a throttling main body which is detachably connected with a high-pressure stop valve througha first connector, and is detachably connected with an indoor and outdoor unit connecting pipe structure through a second connector; wherein the throttling main body comprises a first throttling valve body and a second throttling valve body which are detachable. According to the throttling device, the throttling valve body is detachable while the whole throttling device is detachable, the processes of disassembling, assembling and welding are not needed, refrigerants do not need to be discharged, liquid is directly collected and replaced, convenience and rapidness are achieved, environmentalprotection and saving are achieved, and maintenance of the throttling device can be easily and rapidly achieved; the specifications of the first throttling valve body and the second throttling valve body can be adjusted, so th