The invention provides a portable intelligent operation book which is convenient for carrying of tools and appliances in the technical field of transformer station back brake operation so that recording and time statistics of the whole process of back brake operation are realized, and the portable intelligent operation book also has an intelligent voice prompt function. The left side of the operation book is provided with a computer key storage area, an electronic watch storage area, a cabinet door key storage area, a red pen storage area and a black pen storage area. The interlayer of the left side of the operation book is internally provided with a chip device which is used for recording and playing. A display screen, an operation panel and an MIS recording probe of the chip device are exposed out of the surface of the left side of the operation book. The right side of the operation book is provided with a clamp which is used for clamping a back brake operation order. The portable intelligent operation book is convenient to carry, concise in structure, powerful in storage function and powerful in function so that the portable intelligent operation book has quite high practical value in transformer station back brake operation.