To provide a operating method for a heating furnace having a regener ative burner for preventing the occurrence of a thermal shock to a burner tile and the generation of an excessive thermal stress and for increasing a tile life, in temperature increase rising when a furnace is stopped and operation is started again. 炉を停止し、再び操業を開始する場合の昇温立ち上げ時、バーナタイルへの熱衝撃、過大な熱応力の発生が避けられタイル寿命延長が図れる、蓄熱式バーナを備えた加熱炉の操炉方法を提供する。 - 特許庁