The most reserve containing directions of logistic systems’ and mechanism of exposure and maximal backlogs using as potential possibilities to improve end-points are determined. Classification of influence factors on efficiency of the logistic systems’ functioning in agrarian enterprises into intra- and external system is offered, and actually from management position of this system – managed and out of control. Distribution of intra-system factors on organizationally-structural, functionally-economic and social consumer is found; external system influence factors on efficiency of functioning agricultural enterprises – degree of agrarian complex integrating into the world logistic systems, the level of infrastructural providing AIC development and parameters of effective demand on these agrarian complex products.