The “challenge cup” national undergraduate curricular academic science and technology is known as the Chinese college students of academic science and technology “Olympic event”. It is not only an opportunity for academic exchanges, but also a platform for the search of innovative talents from the tertiary institutions in China. Due to the outstanding work on the project ‘A Delivery System Specifically Approaching Bone Resorption Surfaces to Facilitate Therapeutic Modulation of MicroRNAs in Osteoclasts’, Ms. Dang Lei and Dr. Liu Jin has won the third prize in “challenge cup” national undergraduate curricular academic science and technology.