Cleaning and sterilizing method for aseptic filling machine and aseptic filling machine

A cleaning and sterilizing method for an aseptic filling machine, the aseptic filling machine including drink supply piping for feeding a drink to an inside of a filler via a heat sterilization apparatus, wherein

• an upstream piping portion of the drink supply piping that extends through the heat sterilization apparatus is provided with an upstream feedback path to form an upstream circulation path,
• an aseptic surge tank piping portion that includes an aseptic surge tank that stores the drink sterilized by the heat sterilization apparatus is provided with an aseptic surge tank feedback path to form an aseptic surge tank circulation path,
• a downstream piping portion that extends to a filling nozzle via a filler tank that stores the drink supplied from the aseptic surge tank is provided with a downstream feedback path to form a downstream circulation path, and
• the upstream piping portion, the aseptic surge tank piping portion and the downstream piping portion are individually subjected to CIP (Cleaning in Place) and SIP (Sterilizing in Place).