Eco-economic system is a complex system with construct and in-construct problems.Hard system methodology cannot completely and effectively analyze the ecological security because of a low priority for the socio-economic factors.The paper uses the soft system methodology to study on ecological security and analyzes how the factors affect a regional ecological security.It is concluded that not only the emphasis is predominantly on biophysical components but also economic and social factors in assessing ecological security.To make different benefit from ecological system harmonious and to build up ecological culture are focal points for regional ecological security.It is proved that the soft systems methodology is particularly useful for organizational environments where success essentially depends on considering human components adequately.