Foreign Affairs Office is the abbreviation of "Foreign Affairs Office", which deals with foreign affairs. Generally responsible for contacting foreign countries or Hong Kong, Macao and Taiwan, including going abroad, coming to China and concierge. Generally speaking, it is divided according to big differences, such as the US Department, the European Department, the Asian-African Department, the China Department, the Consular Expert Department, the Passport and Visa Department, the Secretariat, and some international organizations.

Federation of Returned Overseas Chinese is the abbreviation of China Federation of Returned Overseas Chinese, and its attribute is a social organization. Federation of Returned Overseas Chinese has a long history. In War of Resistance against Japanese Aggression, the vast number of overseas Chinese donated money to support the motherland in its fight against Japanese aggression, and some overseas Chinese returned to China to participate in War of Resistance against Japanese Aggression. In the war of liberation and the socialist construction after liberation, we received strong support from all sides. Overseas Chinese Federation plays an indispensable role between the motherland and overseas Chinese.