Legal analysis: Flexible employees also need to sign a labor contract. Signing a labor contract can effectively safeguard the legitimate rights and interests of both the employer and the employee. A labor contract is an agreement established between an employee and an employer that clarifies the rights and obligations of both parties. It is a written legal document that establishes a labor relationship between the employee and the employer.

Legal basis: Article 16 of the "Labor Law of the People's Republic of China" A labor contract is an agreement that establishes a labor relationship between an employee and an employer and clarifies the rights and obligations of both parties.

To establish a labor relationship, a labor contract must be concluded.