1. Armband: the POLICE uniform is shield-shaped, with the word "police" in the middle, "police" in English below and "Baoan" in the security suit.

2. Cuffs: The cuffs of police uniforms have the words "police" or armbands in pinyin and English letters, but the security guards don't.

3. Badge: The badge of the police uniform is located on the chest with the police number on it. The number of policemen is different. The alarm numbers of the public security police, the national security police and the bailiff of the court procuratorate are 6, and the alarm numbers of the prison reeducation-through-labor police are 7 without letters. The number on the police chest often carries the letter "XJ", and the number of security guards carries the letter "Ba".