According to the requirements of Jianbiao [2003] No. 104 document issued by the Ministry of Construction, this Code is revised by the China Academy of Building Sciences in conjunction with relevant design, survey, construction, research and teaching units on the Technical Code for Building Pile Foundations JGJ94-94. During the revision process, special research was carried out, extensive investigation and analysis were carried out, and the pile foundation design in China in recent years was summarized