Abstract: Tillage and land preparation machinery are the most basic farmland operation machinery, operation purpose is to loosen soil, surface leveling, eliminate weeds, pests and germs, provide a good natural ecological environment for seed germination and emergence and crop root growth and development．Various models and application status of loose tillage and land preparation machinery at home and abroad were described briefly．Characteristics and development trend were analyzed．According to current situation of agricultural machinery and actual demand of precision agriculture in China, corresponding countermeasures and suggestions were put forward, in order to promote tillage and land preparation machinery and equipments development rapidly．