Shale gas horizontal well test interpretation model establishing method considering fracturing fracture network

The invention discloses a shale gas horizontal well test interpretation model building method considering a fracturing fracture network. The method comprises the following steps that a shale gas fracturing horizontal well physical model considering the hydraulic fracture network is built; dividing the fracture transformation area into a fracture network inner area and a fracture network outer area, and establishing an equation representing the seepage outer boundary of the fracture network inner area; establishing a shale gas fracturing horizontal well seepage model considering the hydraulic fracture network; and respectively considering seepage boundaries of the seamed network outer region and the seamed network inner region, and coupling a seepage equation to solve and obtain a bottom hole pressure solution expression and a dimensionless yield calculation formula. According to the method, the influence of the boundary difference of internal and external areas of fracturing transformation on a typical well t