我国《劳动合同法》明确规定,同一用人单位只能与同一劳动者约定一次试用期。但到重庆市打工的刘小姐却非常不幸,在短短两年的打工生涯中,她竟然被同一家用人单位试用了4次,直到被解聘时还不是该单位的正式员工。备感委屈的她这才将用人单位告上法庭,要求对方为自己购买工作期间的社会保险。2006年3月,刘小姐应聘进入重庆市九龙坡区一家民营 China’s “Labor Contract Law” clearly stipulates that the same employer can only agree with the same worker a probationary period. However, Miss Liu, who worked in Chongqing, was very unfortunate. In her short career of two years, she was tried four times by the same employer until she was not employed as a regular employee of the unit. Preparing for grievance that she will sue the employer to court, asking each other for their own purchase of social insurance during work. March 2006, Miss Liu candidates to enter Jiulongpo District of Chongqing Municipality, a privately run