Objective: "Scientific Consensus on Probiotics（2020）" will be formed by Probiotics Society of the Chinese Institute of Food Science and Technology in 2020 based on the latest research progress of probiotics. Method: The article was written according experts’ speeches， communications and records in special seminars. Results: The safety of probiotics has been recognized by authoritative institutions at home and abroad. And the improvement of probiotics standard regulations requires a solid scientific foundation. In addition， probiotics were characterized by adequate amounts， live microorganisms and health benefits. Finally， it was a long-term， rigorous and scientific process for human to explore and evaluate the efficacy of probiotics. Public science education should be strengthened to guide scientific and rational consumption of probiotics products. Conclusion: The Consensus will play an important guiding role in the scientific development and innovation of probiotics industry.