The invention relates to an area type energy Internet and an integrated optimization planning method thereof. The area type energy Internet comprises local energy resources, distributed energy, production and consumption integrated energy and mutually connected area micro energy nets. The integrated optimization planning method comprises the following steps: 1, obtaining an area type energy Internet planning design database; 2, establishing an optimization mathematic model; 3, obtaining input variable parameter values needed by the optimization mathematic model from the area type energy Internet planning design database, solving the optimization model, and obtaining output data of decision variables; and 4, analyzing the output data of the decision variables to obtain a cooperation optimization result, wherein the cooperation optimization result comprises an optimal technological type selection and layout, an optimal equipment capacity, an optimal heat network layout and an optimal operation strategy. Compared to the prior art, the area type energy Internet and the integrated optimization planning method thereof overcome the defects of poor interaction between energy users and difficult supply-demand matching in the prior art and have the advantages of networking, systematization, high efficiency and the like.