劳动合同无效是指劳动合同因缺少有效要件而全部或部分不具有法律效力。《劳动合同法》关于无效劳动合同的认定标准和具体处理等规定较《劳动法》有很大变化。在处理有关无效劳动合同的劳动争议时,理论、实践缺乏统一认识,造成仲裁结果和判决结果的混乱。 The invalidation of a labor contract means that the labor contract has no legal effect in whole or in part because of the lack of valid requirements. “Labor Contract Law” on the invalid labor contract, the standards and specific provisions of the treatment than the “Labor Law” has undergone great changes. In handling labor disputes concerning invalid labor contracts, there is a lack of common understanding of theory and practice, resulting in confusion in arbitration results and verdicts.