Rules is a novel of rainbow candy. Mainly tells the story of Su Xiaocha, a fat woman who can cook in life. This fat woman changed Su Xiaocha's aesthetic and life attitude through food and rules, and made her grow into an independent and self-reliant girl. At the same time, the novel also involves another story line, that is, Su Xiaocha's mother was killed, and she became attached to the mafia boss, and with his help, she sought the truth and brought it to justice.