A vacuum adiabatic body, comprising: a first plate defining at least a portion of a wall for a first space; a second plate defining at least a portion of a wall for a second space having a second temperature different from a first temperature of the first space; a sealing that seals the first plate and the second plate to provide a third space having a third temperature between the first temperature and the second temperature, the third space being a vacuum space; a support that maintains the third space; a heat resistance unit that reduces a heat transfer amount between the first plate and the second plate; and an exhaust port through which a gas of the third space is exhausted; characterized in that: the heat resistance unit comprises at least one self-standing type radiation resistance sheet, and wherein the radiation resistance sheet comprises: a sheet base provided in a direction crossing the third space; and at least one sheet protrusion that protrudes from the sheet base in a direction toward one of the first plate or the second plate to maintain an interval between the sheet base and the one of the first plate or the second plate; and wherein the support comprises at least one bar that maintains an interval between the first plate and the second plate in the third space, and wherein at least one through-hole through which the at least one bar passes is provided in the self-standing type radiation resistance sheet; and wherein: - a support plate is provided on at least one end of the bar, and the sheet protrusion has one side supported by the sheet base and another side supported by the support plate and maintains an interval between the sheet base and the support plate, or - the at least one through-hole includes holes each of which has a size larger than an outer diameter of the bar and which do not contact the bar. a first plate defining at least a portion of a wall for a first space; a second plate defining at least a portion of a wall for a second space having a second temperature different from a first temperature of the first space; a sealing that seals the first plate and the second plate to provide a third space having a third temperature between the first temperature and the second temperature, the third space being a vacuum space; a support that maintains the third space; a heat resistance unit that reduces a heat transfer amount between the first plate and the second plate; and an exhaust port through which a gas of the third space is exhausted; the heat resistance unit comprises at least one self-standing type radiation resistance sheet, and wherein the radiation resistance sheet comprises: a sheet base provided in a direction crossing the third space; and at least one sheet protrusion that protrudes from the sheet base in a direction toward one of the first plate or the second plate to maintain an interval between the sheet base and the one of the first plate or the second plate; and a sheet base provided in a direction crossing the third space; and at least one sheet protrusion that protrudes from the sheet base in a direction toward one of the first plate or the second plate to maintain an interval between the sheet base and the one of the first plate or the second plate; and wherein the support comprises at least one bar that maintains an interval between the first plate and the second plate in the third space, and wherein at least one through-hole through which the at least one bar passes is provided in the self-standing type radiation resistance sheet; and wherein: - a support plate is provided on at least one end of the bar, and the sheet protrusion has one side supported by the sheet base and another side supported by the support plate and maintains an interval between the sheet base and the support plate, or - the at least one through-hole includes holes each of which has a size larger than an outer diameter of the bar and which do not contact the bar. - a support plate is provided on at least one end of the bar, and the sheet protrusion has one side supported by the sheet base and another side supported by the support plate and maintains an interval between the sheet base and the support plate, or - the at least one through-hole includes holes each of which has a size larger than an outer diameter of the bar and which do not contact the bar.