The invention discloses an integrated management device for sci-tech after-sales operation and maintenance service. The device comprises an after-sales opinion information box body, first box, a coverplate, a delivery port, a rotating shaft, a lock, a second box body, a paper writing port, a first drawer, a first side plate, a sliding rail, a first pulling plate, a blank suggestion book, a cameradevice, a microwave induction module, a groove, a writing pen, a third box body, an electronic writing port, a second drawer, a handwriting board, a writing panel, a submission button, a cancel button, a local clearing button. A first box body is arranged on the after-sales opinion information box body, a cover plate is arranged on the first box body, the delivery port is formed in the cover plate, and a rotating shaft is arranged at the rear end of the delivery port; the invention has the advantages that: on the basis of keeping the functions of the traditional suggestion box, multiple functions of paper writing and electronic writing are realized, and a client can select a suggestion book delivery mode by himself / herself; synchronous transmission of information is achieved, and unnecessary manual reading, retrieval and input work is avoided.