The invention discloses a method, device and equipment for ordering a metal plate and a storage medium, and the method comprises the following steps: S1, building a curtain wall surface model, dividing a curtain wall, and enabling the surface direction of the separated surface model to face outdoors; S2, machining parameters are set and comprise the offset joint distance, the flanging height, thenumerical precision and whether size marking is conducted or not, and conducting operation on the curtain wall skin model; and S3, obtaining an operation result. The method not only improves the orderplacing ability of designers, but also is simple to use, high in accuracy and strong in applicability, can be applied to all subsequent design and construction projects, and creates more economic andsocial benefits.