"Civil servants should practice teamwork, improve work efficiency, and actively respond to the needs of the people." The slogan often shows on in many government agencies. How to do it? In the article, the author used team learning with X-teams theory by literature review to find out the way for avoiding team failure. There are three research results: 1. The theoretical structure of X-Teams could guide the team to learn and avoid team failure. 2. Practicing mindfulness is the key to how X-Teams works. 3. Effectiveness comes from high-performing people.