In order to improve colleagues' ability to collaborate and increase mutual feelings, the company launched an indoor development training. After the beginning, first of all, through the joyful game of fruit bowl, break the gap between new employees and old employees, build a foundation of mutual trust, and create a team atmosphere. Next is the game of hands and feet, first grouped. The hands or feet of all members of each group must land in the required number, the number is randomly shouted out, and then complete the specified shape. This game not only trains our responsiveness, but also develops the ability to make decisions in the collective, as well as the ability to communicate and solve problems, to promote the cooperation of colleagues, and to understand the importance of cooperation in the group.