Apart from serving Hong Kong people, Dr. Ho, as a medical specialist, who actively participated in expert exchange across Hong Kong, Macau and Mainland China.

In 2012, Dr. Ho attended the ceremony in Guangzhou to sign a letter of intent between the Ministry of Health and Rotary International District 3450, with the objective of promoting organ donation. In 2013, He also participated in lst China OPO International Forum held in Shenzhen and meeting other professionals like Mr. Huang Jiefu, Vice-Minister of Health and Dr. Leong Chi-hung.