The traffic police team is a subordinate unit of the Public Security Bureau, and its main responsibility is to manage and maintain road traffic order. The traffic police captain must obey the leadership and command of the public security bureau, and his superior leader is the director of the public security bureau. The director of the Public Security Bureau is the highest leader of the public security organs, responsible for overall work, including the management and guidance of the traffic police force. The traffic police captain should report to the director of the public security bureau and accept his leadership and command.