The utility model discloses a dry-type current transformer and a junction box of the dry-type current transformer. The junction box of the dry-type current transformer comprises a box body and a box cover, an opening is formed in the front end of the box body, the box cover is arranged at the position of the opening of the box body in a sealed mode, and a sliding-pluggable matching structure which can allow the box body and the box cover to be relatively oriented up and down and in sliding fit is arranged between the box body and the box cover; the sliding-pluggable matching structure comprises two oriented protrusions and oriented sliding chutes, the two oriented protrusions are arranged in parallel in the horizontal direction, and the oriented sliding chutes are respectively in pluggable fit with the two oriented protrusions; a stop limiting structure which fixes the box cover after the opening of the box body is covered by the box cover is arranged between the box body and the box cover. The dry-type current transformer and the junction box of the dry-type current transformer both have the advantages that the box cover and the box body are convenient to disassemble and assemble and time and labor are saved.