Waterproof metal button

The utility model relates to a waterproof metal button. The technical problem to be solved by the utility model is to provide a waterproof metal button with a good waterproof effect. According to the technical scheme, the switch comprises a base, a base, a shell, a waterproof spacer sleeve, a button cap and a contact indication assembly, the contact indication assembly comprises a contact indication device and a light guide sleeve, and the contact indication device comprises a driving piece, a moving contact set, a static contact set, a reset spring and an indication lamp assembly; the base comprises a base body, a base clamping block is arranged on the side portion of the base body, a base fixing flange is arranged at the lower end of the base, a base clamping opening is formed in the base fixing flange, a spacer sleeve positioning protrusion is arranged at the upper end of the base, and the waterproof spacer sleeve is arranged outside the contact indicating device in a covering mode and provided with a spac