Based on the actual applications of various successfully built and delivered offshore platforms including jack-up wind turbine installation platform, multifunctional service platform and residential platform, drilling platform, etc. from the aspects of visual and audible system and the design, arrangement, installation, purchasing, etc. of the equipment, the improvement of the system integrity is summarized, the selection of the explosion-proof equipment is optimized, the design of the solar photovoltaic panel is improved, the installation location and type of the equipment is optimized, etc. The research results can not only provide reference for offshore platforms, offshore floating structure, offshore fixed structure, etc. but also provide reference for some vessel projects.