The invention provides a novel dual-purpose tire which can be used for a long time under an inflation or non-inflation condition and a molding process of the novel dual-purpose tire. The tire sequentially comprises a tread, a belted layer, a primary tire body, a secondary tire body, an inner supporting body, an inner pressure-bearing ring, a steel ring, a breathing hole and the like from outside to inside, wherein the parts are tightly combined into a whole through a curing cross-linking reaction by adopting polymer liquid mixtures with different formulas, so that different requirements of the parts of the tire on material performance are met, and rapid forming of the tire is ensured. The tire production efficiency is high, and the production cost can be effectively reduced. The tire is suitable for tires of heavy trucks, trailers, light trucks, off-road vehicles, ATVs, buses, airplanes, agriculture, mining, bicycles, motorcycles and passenger vehicles.