Economy evaluation of the coalbed methane is nothingness on the whole in Chi na. On the basis of the characteristic analysis of the coalbed methane, the thes is established economy evaluation index system of the coalbed methane based on s ystem analysis. Using fuzzy comprehensive judgement method, the evaluation area economy evaluation model was established. The results showed that economy evalua tion index system was reasonable, in point and operable. The conclusion of the e valuation can provide theoretic foundation for decision organ.