No. Noodle soup is not necessarily mixed. There are many ways to make it. Some noodle soups are thick soups made of animal bones such as beef bones, chicken bones and pig bones, with various seasonings and vegetables. The storage time of noodle soup will be affected by different factors, such as the collocation of bones, the added seasoning and the storage method. In general, noodle soup can be preserved for 3-5 days.