How can I complain about a staff member beating someone at Jinan Long-distance Bus Station?

Any beating of another person is illegal. The person who was beaten can directly choose to call the police. According to Article 43 of the "Public Security Punishment Law", anyone who beats another person or intentionally injures another person's body shall be detained for not less than five days but not more than ten days, and shall also be fined not less than 200 yuan but not more than 500 yuan; if the circumstances are minor, shall be detained for not more than five days or fined not more than 500 yuan.

Anyone who commits any of the following circumstances shall be detained for not less than ten days but not more than fifteen days, and shall be fined not less than 500 yuan but not more than 1,000 yuan:

(1) Beating or injuring in groups Others;

(2) Beating or injuring the disabled, pregnant women, people under the age of fourteen, or people over the age of sixty;

(3) Beating, Injuring others or beating or injuring multiple people at one time.