Introduction: One of the most important topics in crises management is managing volunteers. In this respect, providing proper informing society and incentive mechanisms and maintaining volunteers is very crucial. The purpose of this study is determining methodes of informing and attracting public cooperation in volunteer activities in hospitals of Tehran city.

Methods: The study is a descriptive research. The sample includes 180 managers and experts in search and rescue and emergency doctors and nurses that were selected using stratified random sampling. Data was collected by "Volunteer Management" questionnaire. Validity is confirmed by 10 experts, and reliability was calculated using Cronbach's alpha based on the 30 preliminary questionnaires. Data is analyzed using SPSS/20.

Results: The informing methodes are appropriate and significant (P ≤ 0.05). Average scores for the visual media, public call and SMS are 5.94, 5.82 and 5.63 respectively. In addition, among attracting volunteers’ cooperation mechanisms, the monthly payment (4.59) volunteer authentic card (4.43) were determined as appropriate methods (P ≤ 0.05).

Conclusions: This study showed that visual media (television), public call in the city and SMS play an important role in public informing. Providing monthly salary and volunteer authentic card are effective approaches to attract volunteers. Thus, it is suggested that television programs and municipality advertises incentives such as salaries and valid cards to attract volunteers.