1. Abide operation regulation, forbid peccant operation.

2. Censurable: See: blameful , blameworthy , contemptible , culpable , delinquent , disgraceful , guilty , inexpiable , obnoxious , peccable , peccant , reprehensible

3. According to the psychology, the author analyzes the mentality of peccant reader in University library.

4. In order to diminish the less of document and manage books and periodicals better, the author points that measures should be taken against peccant readers harmful mentality.