The invention discloses a high-conductivity heat-resistant aluminum conductor sensitive to a low resistance temperature and a preparation technique and application thereof, and belongs to the technical field of novel electrical materials. The conductor is mainly prepared from Al, Fe, Zr, Hf, Yb and inevitable impurity elements, raw materials of the high-conductivity heat-resistant aluminum conductor include industrial pure aluminum with the purity of 99.70% and an intermediate alloy containing corresponding alloy elements, the raw materials are smelted, refined and cast, and then heat treatment is conducted on the raw materials, so that a corresponding aluminum alloy blank is obtained. The electric conductivity of the obtained alloy blank is 60% higher than the IACS at the temperature of 20 DEG C, is 40% higher than the IACS at the temperature of 150 DEG C and is 36% higher than the IACS at the temperature of 200 DEG C, and the tensile strength of the alloy blank is 70 MPa or over. After the obtained aluminum alloy blank deforms by 80%, the long-time (400 h) heat-resistant temperature of the aluminum alloy blank is not lower than 200 DEG C, and the short-time (1 h) heat-resistant temperature of the aluminum alloy blank is not lower than 250 DEG C. An obtained aluminum alloy can be applied to at least one of guide rods, buses and wires.