Six months. The shelf life of Chongqing noodles in Hula noodle restaurant is six months, and the production date is usually printed on the outer packaging with boxed repackaging film. For storage, some preservatives will be added to the barrel surface. After a long time, the oil in noodles will be oxidized and decomposed by air to produce toxic aldehyde peroxides. Eating this oily instant noodles will pose a threat to health.