Illegal. Self-employed individuals have not signed an agreement, and it is illegal for legal persons not to pay their accounts. According to the Contract Law of People's Republic of China (PRC), a contract is an equal and voluntary agreement, and the parties shall follow the principle of good faith and perform their obligations. If there is no agreement between the self-employed and the legal person, and there is no clear agreement on the rights and obligations of both parties, it is easy to cause disputes and disputes.