Underground water management and protection is a long-term work characterized by its fundamentality and commonweal, and also is the foundation to learn and grasp dynamic change characteristic of underground water, to assess underground water resource and to protect underground water resource. Our consultants are engaged in a series of projects on underground water management and protection, and joined in many national key subjects researches on underground water management. The projects we engaged are mainly listed below: Key technology research of underground water level control in continental river basin, database construction on underground water management in China, proposal on underground water draw in the middle and eastern districts of south-to-north water transfer project, registration system, registration system research of water draw on underground water management.