Fully-shielded high-frequency connector and connector assembly

The invention discloses a full-shielding type high-frequency connector and a connector assembly. The full-shielding type high-frequency connector comprises an insulating base, a shell, a signal terminal and a shielding reinforcing piece. The insulating base comprises an insulating body, an embedding part, a gland part, a first through hole structure and a second through hole structure; the signal terminal comprises a contact part, a connecting part and a mounting part, the contact part is exposed to the second through hole structure, and the mounting part is connected with the inner conductor of the coaxial cable; the shielding reinforcement member comprises a cylindrical structure wrapping the outer side of the embedding part, a fixed connection structure and a cover plate structure. The cover plate structure is connected with the housing at the outer side of the insulating body. The shell comprises a main body part, a joint part, a fixing part and a buckling part, the fixing part is electrically connected w