1. A load distribution system, comprising: a plurality of processing servers for notifying a result of processing of an event to a plurality of applications; context-dependent distributing section for distributing events occurring in terminals to the plural processing servers; and event processing distribution control section for individually setting processing rules to the plural processing servers and setting a distribution rule to the context-dependent distributing section, the distributing section thereby appropriately distributing events required to execute the processing rules, the event processing distribution control section setting the processing rule of the event processing required by an application to the associated processing server, the event processing distribution control section setting a distribution rule to context-dependent distributing section, the event being appropriately distributed to the associated processing server according to the processing rule.