Disclosed is a feeding-bottle sterilization reminding method, comprising the following steps: acquiring the temperature information of a current aqueous solution, and performing temperature compensation according to the temperature information acquiring the resistance value of the aqueous solution after temperature compensation, and judging if the resistance value is within a preset threshold value, and if yes, reminding users to change water. The feeding-bottle sterilization reminding method provided in the invention is easy to operate, by collecting the water quality data in a real-time manner and comparing them with the database, and it will give a warning when the water quality is found unacceptable, to remind users to change water timely. In addition, a feeding-bottle sterilization reminding device is further disclosed in the invention.
