A storage type hot water supply system, comprising: a hot water storage tank for storing hot and cold water; a heating means for heating the hot and cold water fed from the hot water storage tank; a hot water tap to which the hot and cold water taken out to the exterior of the hot water storage tank is guided; a hot water supply temperature sensor for detecting a temperature of the hot and cold water fed to the hot water tap; and a hot water outlet pipe which is connected at one end thereof to the top of the hot water storage tank and through which a high temperature water flows out; characterised by further comprising: a water intake tube body is provided in the hot water storage tank while extended in an upper and lower direction, for guiding the hot and cold water to an exterior; wherein the water intake tube body is provided with at least an upper water-intake hole formed near a top of the hot water storage tank and an intermediate water-intake hole formed lower than the upper water-intake hole, wherein high temperature water can be taken out from the upper water-intake hole, and intermediate temperature water can be taken from the intermediate water-intake hole simultaneously therewith, a water flow pipe which is connected at one end thereof to the water intake tube body and through which the hot and cold water taken out to the exterior of the hot water storage tank flows; wherein the high temperature water flowing through the hot water outlet pipe and the hot and cold water flowing through the water flow pipe are mixed with each other so as to control the temperature of the hot and cold water fed to the hot water tap based on the temperature detected by means of the hot water supply temperature sensor. a hot water storage tank for storing hot and cold water; a heating means for heating the hot and cold water fed from the hot water storage tank; a hot water tap to which the hot and cold water taken out to the exterior of the hot water storage tank is guided; a hot water supply temperature sensor for detecting a temperature of the hot and cold water fed to the hot water tap; and a hot water outlet pipe which is connected at one end thereof to the top of the hot water storage tank and through which a high temperature water flows out; characterised by further comprising: a water intake tube body is provided in the hot water storage tank while extended in an upper and lower direction, for guiding the hot and cold water to an exterior; wherein the water intake tube body is provided with at least an upper water-intake hole formed near a top of the hot water storage tank and an intermediate water-intake hole formed lower than the upper water-intake hole, wherein high temperature water can be taken out from the upper water-intake hole, and intermediate temperature water can be taken from the intermediate water-intake hole simultaneously therewith, a water flow pipe which is connected at one end thereof to the water intake tube body and through which the hot and cold water taken out to the exterior of the hot water storage tank flows; wherein the high temperature water flowing through the hot water outlet pipe and the hot and cold water flowing through the water flow pipe are mixed with each other so as to control the temperature of the hot and cold water fed to the hot water tap based on the temperature detected by means of the hot water supply temperature sensor. a water intake tube body is provided in the hot water storage tank while extended in an upper and lower direction, for guiding the hot and cold water to an exterior; wherein the water intake tube body is provided with at least an upper water-intake hole formed near a top of the hot water storage tank and an intermediate water-intake hole formed lower than the upper water-intake hole, wherein high temperature water can be taken out from the upper water-intake hole, and intermediate temperature water can be taken from the intermediate water-intake hole simultaneously therewith, a water flow pipe which is connected at one end thereof to the water intake tube body and through which the hot and cold water taken out to the exterior of the hot water storage tank flows; wherein the high temperature water flowing through the hot water outlet pipe and the hot and cold water flowing through the water flow pipe are mixed with each other so as to control the temperature of the hot and cold water fed to the hot water tap based on the temperature detected by means of the hot water supply temperature sensor.