Xinhua county traffic police captain is replaced every 3 ~ 5 years. According to the relevant information disclosed in the inquiry, we will strengthen the construction of the leadership team of the traffic police team, establish and improve the system of competition and regular rotation for the leadership positions of the traffic police team (20-30% rotation every year, once every 3-5 years), and establish and improve the training system for the initial qualifications of traffic police captains and squadron leaders.