To provide a can lid member having a score which is processed so that opening can be opened with a small force, and also to provide a method and apparatus for making such can lid member.

The can lid member has a structure wherein an expected opening part 20 is formed with a score-processed part 13a formed for closing at the inside of a circular panel made out of a metal sheet, and the only expected opening part 20 is deformed in the direction of a straight line connecting an opening starting point 3 provided at a point of the expected opening part 20 and an opening finishing point 4 provided at a point opposite to the opening starting point 3 and a compressed distortion is given to the vicinity of the starting opening point 3.