First expired, first out

First Expired, First Out, often abbreviated by the acronym FEFO means "first expired, first out".

This term is used in logistics and inventory management to describe a way of dealing with perishable products, or with a specified expiry date. The product with the deadline for the next intake will be the first to be served or removed from stock. Majorly used in Pharmaceutical and Chemical industry where expired dates are calculated based on Batch expired date or Shelf life time.

A common example of this treatment is the management of perishable products in a shelf display: Products with deadlines closest consumption should be used before the other .