Legal analysis: illegal publications are books, newspapers, periodicals and audio-visual publications published by publishing units without the approval of the state and in violation of the Regulations on Publishing Administration. It mainly includes: stealing and counterfeiting publications published by official publishing units or newspapers; Publications published in the name of non-existent publishing units or newspapers and periodicals; Making legal publications by piracy and selling them publicly; Publicly issued publications that are not signed by publishing units or signed by non-publishing units; Printers print and add publications without authorization for profit; Publications reprinted by members of a publishing unit that has been explicitly dissolved or published in the name of the original unit without authorization; Internal information publications without the approval of the administrative department of press and publication; Publications are published in sales books (periodicals, editions); Overseas publications printed or copied without authorization; Illegally imported publications.

Legal basis: Article 225 of the Criminal Law of People's Republic of China (PRC), in violation of state regulations, commits one of the following illegal business operations, disrupting market order, and if the circumstances are serious, shall be sentenced to fixed-term imprisonment of not more than five years or criminal detention, and shall also, or shall only, be fined not less than one time but not more than five times the illegal income; If the circumstances are especially serious, he shall be sentenced to fixed-term imprisonment of not less than five years, and shall also be fined not less than one time but not more than five times for illegal gains or confiscation of property:

(a) operating a franchise or monopoly commodity or other commodities whose operation is restricted by laws and administrative regulations without permission;

(2) buying and selling import and export licenses, import and export certificates of origin and other business licenses or approval documents stipulated by laws and administrative regulations;

(three) without the approval of the relevant competent departments of the state, illegally engaged in securities, futures, insurance business, or illegally engaged in fund payment and settlement business;

(four) other illegal business activities that seriously disrupt the market order.