Soil and water conservation monitoring in construction project is of great significance to soil and water loss control. Through instant soil erosion monitoring in construction and production processes, as well as its supervision and control, soil erosion can be controlled to a minimum level. By taking the construction project by Tonghua Power Co., Ltd. undertaken by Institute of Soil and Water Conservation of Jilin Province for an example, achievements of soil erosion monitoring in the course of project construction are analyzed and appraised.