This equipment is specially developed for the small-scale seed and grain unit to clean and process. It can be used for wind-selection and screen cleaningof crop grains for the purpose of selection. This machine can be applied to the processing and selecting of various seeds and crops by changing the sieve, especially suitable for the cleaning and processing of rice seeds. The machine is composed of vibration screening device, air suction device, bucket elevator and power cabinet. It has the advantages of mini-type, simple operation and high processing clarity. It can easy to clean, effectively prevent mixing and ensure the purity of seeds. The screening rubber ball is made of special formula. The elastic strength is greatly improved compared with the traditional rubber ball, and it is resistant to low temperature and aging, and can ensure a good cleaning effect. The sieve is made of galvanizing steel and completed by computer automatic punching with a good ability of rust prevention and precision.