The questionnaire investigation of post-occupancy evaluation on 66 young-old persons and 33 old-old persons in temporary housing of Dong Shyh Town carried out the importance and satisfaction of living environment for the aged. Finally, the test of chi-square proved the evaluation factors of attribute and influence. As a result, the following conclusions were obtained.1.The personal territory is more important than social territory for the aged in living environment of temporary housing.2.The aged have relatively high satisfaction about equipment, ventilation and landscape, and low satisfaction about commercial facility and temperature in living environment of temporary housing. 3.The attribute factors of evaluation in living environment of temporary housing must be considered both the living situation of original and present for the aged.4.The influence factors of evaluation in living environment of temporary housing must be considered both the environment condition of indoor and outdoor.5.The study have got 11 attribute factors and 28 influence factors for post-occupancy evaluation in living environment of temporary housing for the aged.