However, it is almost impossible to find it now.

Compared with the changes of the times, Kang first appeared in the vast rural areas in the north because the needs of heating and cooking in winter can be combined. Most of the on-site heating uses stoves, gas heating and air conditioning, and it is rare to see people using heatable adobe sleeping platform. At present, the people who may use heatable adobe sleeping platform are mainly rural residents over 70 and 80 years old, who live in old-fashioned houses.