The Institute of Theoretical Physics (ITP), founded in Jun. 1978, is a professional institute focusing its research emphasis on the main fundamental research of theoretical physics. It is among the first group institutes that were opened to the inside and outside of China. As one of the first twelve institutions selected to implement the Pilot Project of the Knowledge Innovation Program (PPKIP), the Institute of Theoretical Physics of CAS (ITP-CAS) has taken up an accelerated development. ITP now has 57 staff with 30 research fellows, 6 Members of Chinese Academy of Sciences (CAS)(4 of them are Members of the Third World Academy of Sciences).The ITP also includes many distinguished young scientists. Among them, 13 were selected as The Program of One Hundred Talents of CAS, 11 were awarded National Science Fund for Distinguished Young Scholars. Besides, there are more than 100 person-month of visiting scholars working at ITP-CAS each year.