Planning poker is a popular project management tool in software development especially when Vietnamese teams want to improve the work assessment process. So how to use planning poker efficiently? Firstly, each member of the group should have a deck of cards with numbers to estimate the work. During the meeting, each person picks a card without the possibility of being influenced by peers, which ensures impartiality. And after that, everyone flips their cards simultaneously to get everyone discussing the disparities and discovering something that reaches a consensus. Therefore, planning poker is a useful way for a team in Vietnam to generate more accurate estimates, promote effective collaboration. Understanding how to use planning poker is the key to boosting project productivity and savings time.