Method of packaging and sterilizing disposable articles (2-7) for surgical operations, in which several surgical articles needed for a certain surgical operation are packed in a first package (1) that is packed in a transport package (14) and thereafter transported to a plant (15) for sterilizing with the aid of ethylene oxide, whereafter the first package is sterilized in this plant, characterized in that a second package (8) containing sterile packaged surgical articles (9,10) of a type, that can not sustain sterilizing with the aid of ethylene oxide or for other reasons should not be sterilized with the aid of ethylene oxide, is brought together with the first package (1) before this package is packed into the transport package and before this package is transported to the sterilizing plant, whereby the second package is impermeable to ethylene oxide.