1. At the reading club, everyone will read a mystery novel alone and communicate at the meeting. You can also read some books on psychology, history and philosophy related to reasoning. In short, it should be interesting, suspenseful and worth discussing.

2. The chairman of the puzzle exchange meeting drew up a theme, such as murder in the secret room, blizzard villa and so on. Members design their own murder puzzles, and everyone answers each other's questions to see who has the best puzzle.

3. Walking Association is active and restless. It is necessary to make full use of the network resources around the association and organize members to go to criminal investigation, forensic medicine and other places to see the actual case handling.

4. The scissors meeting of reasoning should not be limited to the field of reasoning, but should be good at finding the intersection with other social organizations and interacting with them, such as making plays for drama groups and watching fitness classes for dance groups. On the one hand, it will broaden the knowledge of members, on the other hand, it will attract more talents with potential interest in reasoning.