Mystery story, a rule, belongs to a special style novel, which uses many strange rules to guide readers to infer the truth of events.

Rule mystery is essentially a type of mystery, and its presentation is mainly rules, regulations or small notes. This type of rule is normal at first, and then it will become more abnormal. What readers need to do is to infer what happened under these abnormal conditions and find the truth.

Mystery Story is a new kind of mystery story novel, which describes all kinds of strange things in a scientific and rational way. This expression has both wonderful suspense and mysterious horror.

Characteristics of rule-based mystery stories;

1, according to the rules or codes, it is best not to add feelings.

2. In every rule, add something that doesn't conform to common sense, but stop it immediately.

3. Some rules only focus on the results, such as "no entry".

4. Through the superposition of various rules, readers' fear of rules is gradually deepened.