The specific reasons for the reduction of a lot of content in the novel version of Ghost Blows Out the Light may be as follows: 1. The copyright issue: The novel version may be restricted by copyright and cannot retain all the contents of the original novel. Only parts of the original novel can be deleted to meet the requirements of the publishing house. 2. Audience needs: The novel version may be deleted from the perspective of audience needs. The content of the original novel is more bloody and violent, and may not be suitable for all readers. Therefore, the publishing house may reduce the content to reduce the harm to the readers. 3. Plot adjustment: The novel version may be adjusted according to the needs of the publishing company and the market. The plot may be deleted or modified to adapt to different reader groups and the requirements of the publishing company. There were many reasons why the novel version of Ghost Blows Out the Light had deleted a lot of content. However, no matter what the reason was, we could still understand the complete plot and character setting of the novel by reading the original text.