Subsequently, the security counselors from the police detachment, the fire brigade and the Tianqiao branch had taken the first lesson of "security prevention and education activities" for primary school students. Through the narration, demonstration, questioning, interaction and other forms, let children learn knowledge and deepen their impression, and burst out enthusiastic applause at the scene. In the next half of the year, the security guard of the Municipal Public Security Bureau will go deep into the primary and secondary schools in the city, give lectures, send safety knowledge, deliver preventive skills, and send blessings of peace.