Dissimilation of forest professional cooperatives is classified into four basic types- the share collaboration of Homo Habilis or cooperative operation,enterprise operation or enterprise-dominated model,operation of government institution or of administrative cadres,and pseudo operation,based on the field investigation of 10 countries in H province. The article shows that uncompleted laws and regulations,absence and misplacement of governmental functions and political mistakes are main causes of dissimilation. It also illustrates that the mechanism of dissimilation in forestry professional coo...