Provided is a composition for encapsulating an organic electronic element and an organic electronic device comprising the same, and an encapsulating composition that can form a structure capable of effectively blocking moisture or oxygen introduced from the outside into an organic electronic device, thereby securing a lifetime of the organic electronic device, and that can be applied to a top-emitting organic electronic device to prevent physical and chemical damage of organic electronic elements, while having excellent optical properties and processability, and an organic electronic device comprising the same.