What's the difference between public security bureau and public security bureau? Is it a unit directly under the Public Security Bureau?

The duties and functions of the Public Security Bureau are close to those of the Public Security Bureau, and it is a subordinate unit of the Public Security Bureau.

Public security bureau is the organizational form of public security organs and the functional department of the government in charge of public security work. The Public Security Bureau is under the dual leadership of the local government and the public security organs at higher levels.

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Public security bureau is the organizational form of public security organs and the functional department of the government in charge of public security work.

Public security bureaus are usually divided into: municipal public security bureau, provincial capital city public security bureau, prefecture-level city public security bureau and county-level public security bureau. In addition to the county-level public security bureau, the first few can be divided into sub-bureaus according to the districts of the city. The specific public security bureau is generally led by the local government and guided by the superior public security department and bureau. The highest department of the public security organs is the Ministry of Public Security, which guides public security work throughout the country, including public security bureaus at all levels. Under the dual leadership of the local government and the public security organs at higher levels.

References:

Baidu Encyclopedia: Public Security Bureau