After the end of Japanese colonization in October 1945, they were used continuously until the official establishment of Police Office of Kaohsiung City on 8 November 1945. This new police office was in charge of the maintenance of law and order of the whole city. On 14 February 1946, there was the establishment of the 1st and 2nd Precincts, Marine Branch Office and Fire Office. In 1958 the Police Office of Kaohsiung City was permitted to be promoted as a police department of Grade B system. Meanwhile, two more Precinct Offices were added.