Insider dealing is a big problem in China's stock market. Despite efforts to stop it, not many cases are caught, and those that are usually just get a small punishment. One reason for this is that people don't really understand what insider dealing is. To help fight this crime better, experts looked at the laws and theories about insider dealing. They studied what counts as insider information, who can be involved, and what actions are illegal. Their goal was to make it easier to catch and punish people who do insider dealing.