This paper investigate the idea and the field of stochastic phenomena in forestry. The text covers forestry decisions and optimal solution of forest management that are based on stochastic phenomena. Optimal decisions in the presence of stochastic timber prices are discussed. Optimal decisions of forest management under risk in even-aged forests and uneven-aged forests are disused and formulated. Stochastic dynamic programming technique is a reliable method for modeling optimization problems in uneven-aged forest that involve risk and uncertainty.