As globalization progresses, countries conduct healthy diplomacy to satisfy the needs of improving the health conditions of countries, eliminating security threats and meeting the political interests of their own countries. The study introduced the aim, content, and significance of health diplomacy carried out in Cambodia in recent years by Jiangsu Province from the real experience of participation in the medical team in Cambodian and in the foreign affairs with the local government. The health diplomacy improved the related knowledge level of Cambodian medical staff, developed a good image of our country, and obtained a firm support from Cambodia for the related policy of Chinese diplomacy. It was suggested the future improvements based on the previous practice.