PROBLEM TO BE SOLVED: To provide a method and a device for cleaning and sterilizing a beverage filling device which can enhance an operation rate of the beverage filling device and improve manufacturing efficiency of products.SOLUTION: In a method for cleaning and sterilizing a beverage filling device inside which a beverage filling pipe for sending a product into a filling machine via a heat sterilizing part is arranged, a CIP process for removing remaining foreign matters of a product sticking to the inside of the beverage filling pipe and the like and an SIP process for sterilizing the inside of the beverage filling pipe are performed simultaneously or continuously without causing an interval between the CIP process and the SIP process.SELECTED DRAWING: Figure 6【課題】飲料充填装置の稼働率を上げて、効率よく製品の製造を行うことができる飲料充填装置の洗浄・殺菌方法及び装置を提供する。【解決手段】加熱殺菌部を経て充填機内へと製品を送る飲料供給系配管を備えた飲料充填装置内について、前記飲料供給系配管内に付着した製品の残留異物などの除去を行うCIP処理及び、前記飲料供給系配管内を殺菌するSIP処理を行う飲料充填装置の洗浄・殺菌方法において、前記CIP処理と前記SIP処理の間を停止させることなく、これらの処理を同時又は連続的に行う。【選択図】図6