These old buildings built in the 1980s have been deformed and fallen off, belonging to dangerous buildings. Old and dangerous houses must be demolished. Some old houses used poor building materials. In addition, the structure of the house has been aging for a long time, and various pipelines are out of date. At the same time, they do not meet the requirements of relevant standards in terms of fire prevention and earthquake resistance. Even the old reconstruction is difficult to repair. If this kind of old dangerous house is not demolished, it may endanger the lives and property of residents, so this kind of house must be demolished.

There are three types of houses that may be demolished in the future, including old and dangerous houses, houses to be demolished in municipal planning, and houses in prime locations in big cities. However, the compensation for relocated households will not be as much as in the past, and many places are in-kind resettlement.