The landfill leachate from solid waste landfills in Thuy Phuong, Huong Thuy, Thua Thien Hue province after being treated by the system biological lake also contains a large amount of pollutants such as COD = 2808.98 mg/l, NO3- = 72.56 mg/l, PO4 = 51.2g mg/l, water was black and foul has a direct impact on the surrounding water, should bethoroughly treated before being discharged into the environment. The results of subsequent treatment by technical artificial wetlands with Vetiver grass for high processing efficiency. After 10 days of stored water on the experimental model, water treated have parameters COD = 380.32 mg/l, NO3- = 23.52 mg/l, PO4 = 7.30 mg/l reach National Technical Regulation on Wastewater of the Solid Waste Landfill Sites Type B1 (QCVN 25: 2009/BTN-MT).