Abstract: Based on the review of existing calculation methods for analysis the water resources carrying capacity, the key industries of Liaoning Province along Bohai region were screened, and two plans that reflect farthest the local development wish for regional economic development of Liaoning along Bohai were designed in light of the national overall development vision. Needed water and available water were forecasted across the administrative area for economic development of Liaoning Province along Bohai region, with water resources carrying capacity of the region calculated. Water resources carrying capacity will be surplus according to economic development plans in 2015. However, the water resources carrying capacity will be overloaded according to the latter economic development plan in 2020, and water resource shortage is 520 million ton per year.