The invention discloses a circuit breaker static contact installation mode improvement structure, which comprises a base and a static contact, and is characterized in that a magnetic guide block is arranged in the base; the contact end of the static contact is arranged on the magnetic guide block; and the magnetic guide block supports the contact end of the static contact. According to the installation mode of the invention, the installation mode contact is arranged outside the back surface of the base, the magnetic guide block is used for supporting the static contact, the static contact installation difficulty is reduced, the production cost is saved, and the service life of the circuit breaker is prolonged.