Michelle attended the activity of Royal Medic with her sister Catherina in the Hong Kong Brands and Products Expo on 22/12/2007, and Mr. Andes Yue, a famous DJ, was invited to be the master of ceremony. Michelle and Catherina shared their experience on body health maintenance and played games with the audience. Michelle wore the special custom of Ethnic Minority Groups of Tibet, which was attractive.

Michelle appeared in the counter of Royal Medic to meet with friends in the Hong Kong Brands and Products Expo, sharing her journey to Tibet and the unique culture of the place. Her fans worried that she was dizzy due to altitude sickness in Tibet. However, Michelle said this did not affect her good impression of Tibet, and she would mind the others to pay attention to the breathing condition when she went to Tibet next time.

When asked for the secret of keeping young and beautiful for years, Michelle said she had started consuming Cordyceps when she was young, and she believed Cordyceps is the key to her youth and beauty. After being the brand ambassador, Michelle knew more health benefits of Cordyceps, and said it was more convenient to maintain health since product with powdered Cordyceps had been launched.

Michelle then went to the stage and played games with the audience in the Expo. The audience joined the event with passion, they hoped to receive the gifts from Michelle and take photos with her. Michelle help the audience to wear "ha da" (哈打), a souvenir from Tibet, which was a symbol of good luck.