This female police officer was caught on a hilarious video venting her frustration in the hallway outside an interrogation room after becoming upset with a suspect.

CCTV footage from the Ziyang Public Security Bureau shows the policewoman storming outside of the station's interrogation room as she tried to hide her anger from those present.

Then, she began stomping her feet in frustration to let it all out while no one was watching at the Ziyang Police Station in Sichuan, China, on March 31.

After a few seconds, she managed to compose herself and took a deep breath, then returned with a smile on her face to resume her professional duties.

The station chief joked: 'We just want to know, who made our policewoman so angry like this.'