《劳动法》规定:“建立劳动关系应当订立劳动合同。”用人单位与劳动者建立劳动关系,必须依法以书面形式订立劳动合同。如果用人单位与劳动者建立劳动关系故意拖延不订立劳动合同,劳动者有权向劳动监察机构举报,由劳动监察机构责令用人单位限期改正;对劳动者造成经济损失的,用人单位应承担赔偿责任;劳动者与用人单位存在劳动关系而未订立劳动合同的,除非职工严重违反劳动纪律符合开除、除名、辞退条 “Labor Law” stipulates: “The establishment of labor relations should be concluded a labor contract.” Employers and labor to establish labor relations, must be legally concluded in writing labor contracts. If the employer and the laborer to establish labor relations deliberately delay not to sign the labor contract, the worker has the right to report to the labor inspection agency, the labor inspection agency ordered the employer to make corrections within a time limit; for the workers cause economic losses, the employer shall bear the liability for compensation ; Laborers and employers labor relations without the existence of a labor contract, unless employees severely violated labor discipline in line with the expulsion, delisting, dismissal