To provide a boiling-over' prevention pot lid holder which is applicable to various kinds of pots and secures such a state that a desirable clearance is formed between the circumferential edge of the pot lid and the pot main body.

A slidably moving holding member 4 is mounted on a pot lid holder main body part 30 which is formed of a metal wire rod or a strip body. This constitution allows to adjust the distance between a pot lid moving suppression part 31 and a handle part 21 of the pot lid 20 in such a state as engaging the pot lid holder 3 to the handle part 21 of the pot lid 2.