对《人民检察》第４期刊登的讨论案例的定性，笔者同意第一种意见，即认为罗某的行为构成盗窃罪，并作如下分析。一、罗某的行为是犯罪行为决定一行为是犯罪行为的首要因素是该行为的社会危害性。不具有社会危害性的行为当然不是犯罪，社会危害性未达到严重程度的也不以犯罪论 Regarding the qualitative analysis of the discussion articles published in the fourth issue of People’s Procuratorate, the author agrees with the first opinion that Luomou’s behavior constitutes a crime of theft and is analyzed as follows. First, Luomou’s behavior is a criminal act to decide a behavior is the primary factor in criminal behavior is the social harm of the act. Of course, acts that do not have a social hazard are not criminal activities. Social harm does not reach the level of severity nor crime.