Depending on whether it is indoor or outdoor, indoor legs are generally made of steel pipes and fixed on the table with screws. The board is a multi-layer fire-proof board. According to the size of the stage, the stage consists of several pieces, with an area of 2* width 1.2 and a height of 0.8. The lower part is connected with special fasteners, and the stage is composed of multiple groups, which is convenient to disassemble. All steel pipes are treated with anti-corrosion and anti-rust to prolong their service life. Permanent can also be welded with metal. Mobility mainly depends on the metal composite frame, or wooden side customization, depending on whether you want to build a disposable stage or a permanent stage. Different styles, different materials, disposable wood is more economical, and the bed board adopts the frame of wood and support. Virtual reality equipment is needed to dynamically schedule, guide and control actors. The most important structural material of stage building is aluminum alloy truss, which is the supporting part of a stage and the safety of the stage depends on it. The stage is usually composed of one or more platforms, stretching stage, ring stage, rotating stage and spotlight. Other things such as lighting and sound should be prepared according to the requirements of stage construction. The stage is the space provided for actors to perform in the theater. The types of stage are frame stage and carpet, some of which can be raised and lowered. Trusses and bubble machines are needed to build the stage background. Projectors and poly sheets are necessary to enable the audience to concentrate on the actors' performances and obtain ideal viewing effects.