A method and an apparatus for finding a missing child based on a social network service are disclosed. The method for finding a missing child based on a social network service includes a step of allowing a missing child finding service server to receive missing child information, a step of allowing the missing child finding service server to transmit the missing child information to a user device on the social network service, and a step of allowing a missing child finding service server to determine compensation by considering a spreading phase of the missing child information on the social network service when the missing child is found based on the missing child information spread on the social network service.
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