Disclosed herein is an LCD cap of an air conditioning control panel for a vehicle. A transparent dark finishing plate is provided and a coating cover is coupled to the finishing plate by insert injection molding. A display window is formed in a central portion of the coating cover so that a numeral of an LCD panel can be displayed through the display window, and an opaque coating layer is formed on a remaining portion of the coating cover other than the display window. Therefore, when the LCD panel is in operation, a character or numeral can be displayed to the outside through the display window. When the LCD panel is not in operation, the front surface of the LCD cap can be generally shown in black. Thereby, the marketability of the product can be enhanced, and the quality of the interior design of the vehicle can be improved.