Introduced portable intelligent mobile terminal systems for environmental on-site monitoring management.The system was deployed in the embedded software of environment-specific PDA.It could collect data from portable analytical instruments.And monitoring results would be stored in embedded database.Meanwhile,data will be exchanged through wireless network and remote central servers.At last,it could dock with LIMS systems.The system significantly improved on-site efficiency of environmental monitoring and management staff and timeliness of monitoring data,and achieved paperless environmental on-site monitoring.