Adherend recovery method, adherends recovery unit, gas generating film and the resin composition

[Problems] regardless of the type of the bond substance, such as a cell, and to provide a adherends recovery method capable of recovering any adherends even adherends. From SOLUTION] support, a adherends recovery method for recovering the adherend, Light gas generation layer on the support, an adhesive layer and laminate with adherends in this order, by exposing, to generate gas from light gas generating layer, to separate the support and the laminate by said gas, by recovering the separated laminate, adherends recovery method comprising recovering the adherend from the support.