A vacuum adiabatic body comprising: a first plate member configured to define at least a portion of a wall for a first space; a second plate member configured to define at least a portion of a wall for a second space having a temperature different from that of the first space; a sealing part configured to seal the first plate member and the second plate member so as to provide a third space that has a temperature between a temperature of the first space and a temperature of the second space and is a vacuum space; a supporting unit configured to maintain the third space ; a heat resistance unit configured to reduce heat transfer between the first plate member and the second plate member ; an exhaust port through which a gas of the third space is exhausted; a through-part of the first plate member and a through-part of the second plate member for passing a refrigerant pipe therethrough to allow a refrigerant to move between the first space and the second space; and a through sealing part configured to accommodate the refrigerant pipe therein, the through sealing part being configured to seal the pair of through-parts so as to prevent cold air from being conducted between the first space and the second space. characterized in that : the vacuum adiabatic body further comprising a first block supported by the first plate member and a second block supported by the second plate member , so as to be fixed in position and made of a material having thermal conductivity less than that of each of the first plate member and the second plate member , wherein the second block is directly or indirectly coupled to the first block . a first plate member configured to define at least a portion of a wall for a first space; a second plate member configured to define at least a portion of a wall for a second space having a temperature different from that of the first space; a sealing part configured to seal the first plate member and the second plate member so as to provide a third space that has a temperature between a temperature of the first space and a temperature of the second space and is a vacuum space; a supporting unit configured to maintain the third space ; a heat resistance unit configured to reduce heat transfer between the first plate member and the second plate member ; an exhaust port through which a gas of the third space is exhausted; a through-part of the first plate member and a through-part of the second plate member for passing a refrigerant pipe therethrough to allow a refrigerant to move between the first space and the second space; and a through sealing part configured to accommodate the refrigerant pipe therein, the through sealing part being configured to seal the pair of through-parts so as to prevent cold air from being conducted between the first space and the second space. characterized in that : the vacuum adiabatic body further comprising a first block supported by the first plate member and a second block supported by the second plate member , so as to be fixed in position and made of a material having thermal conductivity less than that of each of the first plate member and the second plate member , wherein the second block is directly or indirectly coupled to the first block . <EOS>