The comparison of the daily living way of the aged against hotness in summer and coldness in winter is executed from the viewpoint of the climatic region, age, and gender. The following results have been obtained : (1) As for the countermeasure against hotness in summer, "shading" has been mostly prevailing, and "door of reed blind" or "spreading water" has been used secondly. The aged persons have taken less countermeasures with aging. (2) As for the method of controlling temperature in summer, the use of airconditioning equipments has been predominant in the urban area compared with rural area, and men has used more compared with women. And the use of electric fan has began to decrease in their eighties, and the use of airconditioner in their seventies. (3) The aged persons have started warming rooms earlier with aging. (4) The evaluation of comfort of the aged has no relation to the temperature of the rooms on the case study in Iwate and Hyogo.