1. Different scales. The scale of the factory is larger than that of the field. 2. The historical time of appearance is different. The factory was a major innovation of the Industrial Revolution. Before the Industrial Revolution, it was always just called a factory. 3. Different production methods. Factories use machines for large-scale production, while factories are just ordinary workshops with insufficient conditions for machine production. 4. Different properties. The factory is the predecessor of the factory, which initially shows the nature of capitalism, while the factory is the production activity of capitalism and has already become the nature of capitalism in the true sense.