Abstract: To Emancipate the mind and seek truth from facts are the soul of Marxism and also an important formula of our party to lead the socialist modernizations to victories one after another.New trail blazing,on the other hand,is the source to maintain the vitality of Marxism.These two are closely related to each other.For one thing,they have their own focus,and for another,they also have much in common by nature.To grasp their relationship by depth is of great practical guiding importance.