A bank risk is probability of that events, expected or unexpected, can have a negative influence on a capital and receipt of bank. Reliability and efficiency of control system by bank risks depends on ability of bank in good time to react on changing in an external and internal environment. Perfection of management bank risks consists the use of aggregate of methods, receptions and measures of the risks determination of their credible sizes and consequences directed on timely prognostication, with the purpose of prevention or minimization of the losses related to them.