Zhangjiakou is one of the most important areas that have rich clean energy in China. The implementation of the clean heating system has a demonstration effect on the whole country. This paper firstly analyzes the important significance of the clean heating in our country at the present stage, and introduces the principle of electric heat storage technology; and then analyzes several schemes of clean heating renovation project with electric heat storage technology for a hospital in Zhangjiakou, and concludes...