Metal roof gutter expansion joint connecting structure and gutter structure

The invention relates to a metal roof gutter expansion joint connecting structure and a gutter structure, and belongs to the field of building structures. The connecting structure comprises a connecting plate and a cover plate which are arranged on the expansion joint, wherein the connecting plate comprises two steel edges and an adhesive tape for connecting the steel edges; the cover plate covers the connecting plate and comprises a horizontal plate and two inclined plates; the two steel edges of the connecting plate are fixedly arranged on the gutter plate, the adhesive tape is hidden between the cover plate and the gutter plate, and the adhesive tape is prevented from being aged and damaged. The gutter structure is in a U-shaped groove shape formed by gutter section bars and connecting structures and arranged on the inner side of the gutter framework, and the gutter structure is fixedly connected to the gutter framework through L-shaped fasteners. By arranging the expansion joint and the telescopic flexibl