It's not illegal to help between friends. It is not illegal to operate only with the help of friends. If it is operated by related fees, it needs to be qualified to engage in related securities and futures. If you don't have the qualification to reach a certain scale, it belongs to "illegally engaging in securities, futures and insurance business, or illegally engaging in fund payment and settlement business without the approval of the relevant competent departments of the state" as stipulated in Item (3) of Article 225 of the Criminal Law, and may be suspected of illegal business operation.