The paper holds that all kinds of different convergence and divergence criterions for positive term series are established according to the series of different convergence and divergence rate.

• 本文提出正项级数各不相同的敛散判别法事实上是以不同敛散速度的级数为标准而建立的,进而给出正项级数不同敛散判别法所依据的级数。