An air-conditioning clothing is disclosed. The clothing includes a cloth portion covering an upper part and an arm portion of the body and guiding air in a space between the cloth portion and the body or an underwear along a surface of the body or the underwear. An air blower takes in air from outside and forcedly generates a flow of the air in the space. An air discharge is provided on a collar of the cloth portion and discharges the air to the outside. An air-leakage preventer is provided on a lower sleeve edge of the cloth portion and prevents leakage of the air flowing in the space to the outside through the lower sleeve edge. A sheet-shaped air discharger is provided at a predetermined portion in the vicinity of the lower sleeve edge of the cloth portion and discharges the air flowing in the space to the outside.