You can go now. The training courses held by People's Public Security University are mainly for police, including police at different levels such as public security bureaus and police stations. As long as it is related to police work, regardless of the level, you can participate in the training courses of the People's Public Security University. For example, police officers at different levels and in different professional directions, such as patrol police, criminal investigation police, special police and traffic police, can participate in relevant training courses.