The diplomats perform a wide range of functions. the functions range from routine activities to difficult decision during times of crisis. The diplomats usually perform four types of functions: protection of nationals,representation,reporting and negotiation. Protecting the lives and properties of citizens of the sending state in the host country is a routine function, In case of emergency,the missions need to help their own nationals. Routine function also include registering births,deaths,and marriages,issuing,validating and replacing passports of citizens of the sending state residing in the host state. The substantive functions of the diplomatic mission are reporting and negotiating. Reports from diplomats are raw materials of foreign policy.