The contents of the drawings are very complete, including building, structure, water construction and electricity construction. The building part specifically includes: drawing directory, door and window table, construction drawing design description, first floor plan, second floor plan, third floor plan, roof plan, front elevation, side elevation, section, stair detail, and the structure part includes: structural design description of frame part, beam plan legend Foundation plane reinforcement drawing and other drawings, electrical construction includes: design description, legend, material list, power distribution system, weak current plan of the first floor, plan of fire hydrant button of the first floor, weak current plan of the second floor, plan of weak current of the third floor, plan of fire hydrant button of the third floor, lighting plan of the first, second and third floors and other drawings, which are very detailed, It can be used directly after downloading, which is very practical