The present application is used in the technical field of beautifying and hair conditioning, and provides a vapor beautifying and hair conditioning machine comprising a main machine and an ejection gun; wherein, the ejection gun is communicated with the main machine via a hose, the main machine is provided with a socket, and one end of the hose is provided with a plug that is capable of being inserted in the socket; the socket is provided therein with a hose connector male end and a latching groove, the plug is provided therein with a hose connector female end and a latching member, and the hose connector male end and the hose connector female end engage with each other; when the plug is inserted in the socket, the latching member is inserted and held in the latching groove.