route and more particularly to an accessory structure for vehicle air conditioner capable of improving the compartment atmosphere by connecting a solvent feed route to solvent flow injection means provided at the upstream side of the heat exchanger in the air conditioning air intake route providing the base end of the solvent feed route with receiving means separated from the solvent source fixing the receiving means in a specific place in the compartment and putting in an accommodating space such as glove box while separating the solvent source such as filled container from the receiving means thereby preventing the solvent source from being ruptured or damaged and moreover by receiving the solvent from the solvent source when necessary by the receiving means corresponding to the type of solvent thereby cleaning the heat exchanger or feeding aromatic or other functional solvent application_number US 74015996 A description an embodiment of the invention is described in detail below while referring to drawings the drawings show an accessory structure for vehicle air conditioner and first describing the constitution of the vehicle air conditioner in fig1 an internal external air changeover box 3 having an external air intake port 1 and an internal air intake port 2 is provided and a fan 5 driven by a blower motor 4 is disposed in the box 3 together with an internal external air changeover door 6 for selecting intake of air.