With the rapid urban development of Lhasa in Tibet Autonomous Region, the traditional houses are losing gradually, while a great variety of city housing are springing up all over the city. Spatial patterns of city housing don’t blindly imitate commercial housing in most other cities in china, but have unique characteristics, such as building direction, functional layout, hole set, building construction and so on. The paper selects four types of Lhasa housing, rural traditional dwelling house, low-income apartment, detached house and multi-storey house, to analysis application of passive technology in detail and sums up three developing stages of passive technology in Lhasa area. On the basis, the paper discusses major factors about evolution of passive technology, that they are changes of spatial patterns, structure system and way of energy consumption. In the end, the paper puts forward some suggestions on the passive technology application in new city housing.