From January 15 to 16, 2003, Asia Pacific Stem Cells and Cloning Summit was held in Shangri-la Hotel , Singapore . Mrs. Xia Sun, as the representative of Prof. Xu, delivered a lecture on the congress titled as “ Organ Regeneration from Cell in situ or in vitro” . This lecture got an unbelievable success and many scientists discussed organ regeneration with Mrs. Xia. All the people in this congress were shocked by her lecture. They warmly invited Prof. Xu to give speeches in their country. Scientists believed that MEBO would renovate the world modern medicine.