The invention discloses a composite material grid conical shell fiber placing and winding integrated molding device, and relates to the technical field of composite material preparation. The device comprises a grid conical shell component mold, a winding device, a winding trolley, a fiber placing device and a fiber placing trolley. The integrated molding device not only can be used for finishing the winding of grid ribs, but also can be used for finishing the fiber placement molding of stressed-skin constructions, and has a tow resin temperature control ability to realize control over the prepreg tow viscosity in the transmission process; a heating system is configured in a placing head to enable prepreg tows to be heated, so that the prepreg tows have a certain viscosity and then the process requirements are satisfied. The device disclosed in the invention can be applied to composite material grid conical shell components, and is good in molding quality, high in placing precision, good in product quality and high in manufacture efficiency; an automatic fiber placing system and a grid rib winding system are integrated in a set of equipment, so that the high-efficiency and high-quality composite integrated molding of the composite material grid conical shell components is realized.