Affray crime was decomposed from the crime of hooliganism in 1979 Criminal Laws and became an independent crime.It is one of the crimes difficult to be determined in the judicial practice.Understanding of such affray behviors like beating others at random can not be limitted in subjective and objective factors and should be considered comprehensively from the motive,the time and place,the object and the means of the affray,and should be differed from deliberate hurting behaviors.Xiao Chuanguo and others’behaviors belong to deliberate hurting behaviors but not affray behaviors.