An air conditioner comprising: a heat exchanger comprising a plurality of refrigerant tubes; a distributor configured to divide a flow of refrigerant into a plurality of flow paths; a plurality of capillary tubes extending from an outlet-side of the distributor toward the plurality of refrigerant tubes; an inlet tube connected to an inlet-side of the distributor; a guide tube configured to guide the refrigerant toward the inlet tube; and a bending tube disposed between the guide tube and the inlet tube and configured to be bent to alter a flow direction of the refrigerant, wherein the distributor comprises: a distributor body defining a flow space for the refrigerant; and a tube coupling part disposed at one side of the distributor body, characterized by the heat exchanger having a relatively higher air flow speed therethrough portion and a relatively lower air flow speed therethrough portion, and having a first refrigerant tube of the plurality of refrigerant tubes that is located at a portion of the heat exchanger having the relatively higher air flow speed therethrough portion, and a second refrigerant tube of the plurality of refrigerant tubes that is located at a portion of the heat exchanger having the relatively lower air flow speed therethrough portion; the tube coupling part having a lower coupling hole (233d, 233e, 233f) defined in a lower portion of the distributor to communicate with a first refrigerant tube of the plurality of refrigerant tubes that is located at a portion of the heat exchanger having a relatively higher air flow speed therethrough and an upper coupling hole (233a, 233b, 233c) defined in an upper portion of the distributor to communicate with a second refrigerant tube of the plurality of refrigerant tubes that is located at a portion of the heat exchanger having a relatively lower air flow speed therethrough; and the inlet tube extends in a horizontal direction or an inclined direction, to allow liquid refrigerant of a two-phase refrigerant passing through the guide tube to flow into a lower portion of the inlet tube. a heat exchanger comprising a plurality of refrigerant tubes; a distributor configured to divide a flow of refrigerant into a plurality of flow paths; a plurality of capillary tubes extending from an outlet-side of the distributor toward the plurality of refrigerant tubes; an inlet tube connected to an inlet-side of the distributor; a guide tube configured to guide the refrigerant toward the inlet tube; and a bending tube disposed between the guide tube and the inlet tube and configured to be bent to alter a flow direction of the refrigerant, wherein the distributor comprises: a distributor body defining a flow space for the refrigerant; and a tube coupling part disposed at one side of the distributor body, a distributor body defining a flow space for the refrigerant; and a tube coupling part disposed at one side of the distributor body, characterized by the heat exchanger having a relatively higher air flow speed therethrough portion and a relatively lower air flow speed therethrough portion, and having a first refrigerant tube of the plurality of refrigerant tubes that is located at a portion of the heat exchanger having the relatively higher air flow speed therethrough portion, and a second refrigerant tube of the plurality of refrigerant tubes that is located at a portion of the heat exchanger having the relatively lower air flow speed therethrough portion; the tube coupling part having a lower coupling hole (233d, 233e, 233f) defined in a lower portion of the distributor to communicate with a first refrigerant tube of the plurality of refrigerant tubes that is located at a portion of the heat exchanger having a relatively higher air flow speed therethrough and an upper coupling hole (233a, 233b, 233c) defined in an upper portion of the distributor to communicate with a second refrigerant tube of the plurality of refrigerant tubes that is located at a portion of the heat exchanger having a relatively lower air flow speed therethrough; and the inlet tube extends in a horizontal direction or an inclined direction, to allow liquid refrigerant of a two-phase refrigerant passing through the guide tube to flow into a lower portion of the inlet tube.