The invention discloses a practical technical primary and secondary Beijing opera fiddle with a metallic paper skin, which can be collected as artware and is practical. The fiddle rod, carriage, primary fiddle cylinder, secondary fiddle cylinder, fiddle bridge, string sheath, rosin slot and guard plate of the Beijing opera fiddle are made of metal. The Beijing opera fiddle is provided with a primary fiddle which can be used independently and six secondary fiddles which can be accommodated in the primary fiddle cylinder respectively. The skin is a composite material prepared by bonding two materials. The primary fiddle cylinder consists of a fiddle cylinder body and a fiddle cylinder gland and can be made into a bamboo, wood and metal composite structure. The inner diameter of the secondary fiddle cylinder is in movable fit with the inner diameter of the primary fiddle cylinder. The fiddle rod consists of a fiddle head, a continuous vibration knot and an echo knot and can be made into a bamboo, wood and meta composite structure. The skin is formed by bonding two materials, namely tin foil paper and silk. The string sheath is a casing pipe and is used for preventing strings from being disordered. The rosin slot is a clamp and is used specially for filling rosin. The guard plate is a dove-shaped swallow mouth and is used for protecting the skin and bow bristles.