1. Sanitary landfill treatment has always occupied an important position as the final disposal method of garbage, and it is still the main treatment method in most cities.

2. Landfill disposal has the characteristics of simple operation equipment, adaptability and flexibility.

3. The sanitary landfill has the characteristics of low construction investment, low operating cost, and recovery of biogas, no special requirements for the calorific value of garbage, land can be restored, and technical requirements are not high.

4. To meet the development trend of socialist new rural construction and urban-rural integrated waste treatment development.