Abstract: With great concern on food security, fresh\|keeping technology developed rapidly, and it became a research trend to seek safe and efficient biopreservation technologies. This paper introduced the principle of biological preservation; reviewed the application of biological technology on fruites and vegetables preservation, including the microognisms and their metabolites，the natural extract and genetic engineering technology; then discussed the deficiencies and development directions of biological preservation technology.

Key words: biological preservation technology, fruits and vegetables, progress