Provided is a switch which can form an airtight container easily. The switch is a switch in which a pair of fixed contacts (111 and 112) disposed at a predetermined distance from each other and a movable contact (130) arranged to be able to make/break contact with the pair of fixed contacts are internally mounted in an arc extinguishing container (102), wherein: the arc extinguishing container is formed by bonding a resin container and a metal bucket-shaped body (104) to each other by an adhesive agent, the resin container having a terminal retention plate portion (103c) which retains a pair of external connection terminals (114) as constituents of the pair of fixed contacts by adhesive bonding, and a side plate portion (103d) which extends downward from an outer circumferential portion of the terminal retention plate portion, an opposite side of the resin container to the terminal retention plate portion being formed as an open face, the bucket-shaped body being internally mounted with the pair of fixed contacts inserted into the side plate portion of the resin container and the movable contact, the bucket-shaped body having an open lower side.