Proof of Foreign law is one of the fundamental problems in the field of private international law. Nowadays application foreign law clearly and accurately becomes an inevitable requirement for enhancing the international credibility and justice in foreign related cases in Mainland China. This seminar will discuss the significance and current legal basis in Mainland China on proof of foreign law. Under the legal framework, some legal service agencies, especially the proof of foreign law institutions developed rapidly. Proof of Foreign Law Center of ECUPL is one of them. The methods and procedure of Proof of foreign law in judicial practice and arbitration will also be explored in this seminar.