An electronic device assembly 10 includes: an electronic device 20 having flexibility; and a protection member 50 bonded to the electronic device 20. The protection member 50 includes a metal foil 53 that is supported by a support member 51 having flexibility and an adhesive layer 54 formed on the metal foil 53. The metal foil 53 included in the protection member 50 is bonded to the electronic device 20 via the adhesive layer 54.