Multifunctional integrated metal contour plate circular roof system

The utility model relates to a multifunctional integrated metal contour plate circular roof system, and belongs to the technical field of roof construction. The roof system is sequentially provided with a supporting purline, a perforated acoustic board, a vapor-proof layer, glass acoustic cotton, a high-strength galvanized plate, glass fiber heat preservation cotton, a calcium silicate plate, a waterproof breathable layer and an aluminum-magnesium-manganese alloy vertical lockrand plate from bottom to top, an annular lining purlin is arranged on the vapor-proof layer, and the high-strength galvanized plate is supported on the annular lining purlin. T-shaped fixing supports are arranged on the high-strength galvanized plate, the bottoms of the T-shaped fixing supports are fixed to the high-strength galvanized plate and the annular lining purlins, full-length supporting angle aluminum is fixed to the T-shaped fixing supports, the calcium silicate plate is supported and fixed to the supporting angle aluminum, an