Powder-liquid double-cavity infusion bag

The utility model discloses a powder-liquid double-cavity infusion bag, which comprises a liquid cavity filled with liquid medicine, a powder cavity filled with powder medicine, a weak welding rod, a folding line and an outer packaging bag, wherein the weak welding rod is arranged between the liquid cavity and the powder cavity, the folding line is arranged on the liquid cavity part and is near the weak welding rod, a bag body of the infusion bag is folded along the folding line so that the liquid cavity and the powder cavity are mutually overlapped, and the outer packaging bag covers the outside of the folded bag body of the infusion bag in a sealed way. The powder-liquid double-cavity infusion bag has the advantages that under the condition of not enhancing the isolation intensity of the weak welding rod, a novel packaging method is adopted, through installing the folding line, the bag body adopts the folding arrangement mode, and the weak welding rod is enabled not to be opened in the storage period and the transportation process.