Theodor Fontane’s Berlin Novels are representative urban novels in German literature. His works craftly endow German history with a spatial dimension, and their urban writing implies the development and changes of the production mode, social relations and class relations. The construction and deconstruction process of various factors and forces in the changes dynamically reveals the trinity nature and interactive development mode of the urban materiality, spirituality and sociality, which reflects the epoch-making changes of Germany’s transition from feudalism to capitalism.