Nepal is rich in its wetlands biodiversity where large number of wetland flora and fauna are found, 193 of birds are known to be dependent on wetlands, a total of 185 species of fish are found in the wetlands of Nepal, out of which 8 are endemic. Same a way Rupandehi and Kapilvastu district covered the large number of the wetland which lied in government and private land. The study was carried out in the Rupandehi and Kapilvastu district of Nepal with having aim to find out the existing wetland condition of the Rupandehi and Kapilvastu district and their threats for the proper management of these wetland in regards to conservation point of view for avifauna and herpectofauna. The sizes of these wetlands of the study area were ranged from 1 to 250 ha. In both districts, the number of publicly owned wetlands was greater. Direct observation techniques were used to find out the status of the wetland of the study area and a set of questionnaire survey were used to know wetland status. Wetland of the both district suffered many problems such as encroachment, sedimentation, water pollination, and heavy pressure of human and domestic animals, due to these problem the number of the wetland flora and fauna decline year by year.