There are many reasons why works are blocked. The following are some possible reasons: 1. The work contains inappropriate content: If the work contains adult content, violence, horror, eroticism and other inappropriate content, it may be blocked. 2. If the work involves sensitive topics such as politics, religion, race, gender, etc., it may be blocked. 3. Violating copyright regulations: If the work uses other people's copyright content or releases other people's works without authorization, it may be blocked. 4. Posting inappropriate content: If the work posts inappropriate content such as malicious attacks, advertising, fraud, etc., it may be blocked. 5. Platform adjustments: Some platforms may block works due to technical reasons or strategic adjustments. This may also be the reason why works are blocked. If the work is blocked, it is recommended to contact the relevant platform customer service or lawyer to understand the specific situation and seek a solution.