Does the subject want to ask "what are the advantages and disadvantages of mass discussion?" The advantages and disadvantages of mass discussion are as follows:

1. Advantages: It provides opportunities for government officials to know and understand public opinion and provides an important basis for policy formulation.

2. It can help government officials better understand the current social situation and customs, and deepen their understanding and understanding of society.

3. It can help government officials to grasp the problems and opinions reflected by the public in time and take corresponding measures to solve them.

4. Disadvantages: The mass discussion may only represent the opinions of some people, but not the opinions of the public, so it may be biased.

5. Meetings may be used by specific groups or individuals to publicize their own views and interests, thus making policy-making lose objectivity.

6. There may be problems such as improper personnel, shoddy organization or poor planning, which leads to poor meeting results.

7. There may be different and contradictory opinions among the participants, making it difficult to reach a consensus.