A dynamic heat conduction system (100; 200; 300), comprising: a base (110; 210) comprising a base surface (111; 211) and an inner side wall (112; 212) which defines at least two base securing holes (113; 213) having a base securing hole length (L2; L2') along the direction of a normal line to the base surface (111; 211); a heat conduction block (130; 230) comprising a heat conduction side wall (131; 231) and a heat conduction surface (132; 232), the heat conduction side wall (131; 231) being opposite to the inner side wall (112; 212) of the base and defining at least two heat conduction block securing holes (133; 233) at positions respectively corresponding to those of the base securing holes (113; 213), the heat conduction block securing holes (133; 233) having a heat conduction block securing hole length along the direction of a normal line to the base surface (111; 211) of the base (110; 210); a resilient unit (120; 220) having one end being disposed on the base surface (111; 211) of the base (110; 210) and the other end being opposite to the base surface (111; 211) of the base (110; 210) and being engaged with the heat conduction block (130; 230), so that the heat conduction block (130; 230) is disposed in the base (110; 210) and the heat conduction surface (132; 232) remains outside the base (110; 210); and at least one securing unit (140; 240) having at least one portion being secured to the heat conduction block securing holes (133; 233) respectively and at least another one of the other portions being disposed in the base securing holes (113; 213) respectively, the securing unit (140; 240) having a securing unit width (L1; L1') along the direction of a normal line to the base surface (111; 211) of the base (110; 210), wherein the base securing hole length (L2; L2') is greater than the securing unit width (L1; L1') and the securing unit width (L1; L1') is greater than or equal to the heat conduction block securing hole length, so that the heat conduction block (130; 230) is movable in the direction of a normal line to the heat conduction surface (132; 232) and at least one portion thereof is restricted within the base (110, 210). a base (110; 210) comprising a base surface (111; 211) and an inner side wall (112; 212) which defines at least two base securing holes (113; 213) having a base securing hole length (L2; L2') along the direction of a normal line to the base surface (111; 211); a heat conduction block (130; 230) comprising a heat conduction side wall (131; 231) and a heat conduction surface (132; 232), the heat conduction side wall (131; 231) being opposite to the inner side wall (112; 212) of the base and defining at least two heat conduction block securing holes (133; 233) at positions respectively corresponding to those of the base securing holes (113; 213), the heat conduction block securing holes (133; 233) having a heat conduction block securing hole length along the direction of a normal line to the base surface (111; 211) of the base (110; 210); a resilient unit (120; 220) having one end being disposed on the base surface (111; 211) of the base (110; 210) and the other end being opposite to the base surface (111; 211) of the base (110; 210) and being engaged with the heat conduction block (130; 230), so that the heat conduction block (130; 230) is disposed in the base (110; 210) and the heat conduction surface (132; 232) remains outside the base (110; 210); and at least one securing unit (140; 240) having at least one portion being secured to the heat conduction block securing holes (133; 233) respectively and at least another one of the other portions being disposed in the base securing holes (113; 213) respectively, the securing unit (140; 240) having a securing unit width (L1; L1') along the direction of a normal line to the base surface (111; 211) of the base (110; 210), wherein the base securing hole length (L2; L2') is greater than the securing unit width (L1; L1') and the securing unit width (L1; L1') is greater than or equal to the heat conduction block securing hole length, so that the heat conduction block (130; 230) is movable in the direction of a normal line to the heat conduction surface (132; 232) and at least one portion thereof is restricted within the base (110, 210).