Focusing on the assessment of health utility, the core component ofquality adjusted life years (QALYs) calculation, the author brieflycompares the utility values between the people in China and ChineseSingaporeans, as well as the values between the general populationand the people with diabetes, revealing how and why the valuesdiffer between them. The author also explicitly describes in thisbook how to establish scoring functions to yield utility values; andhow to compare different utility values, with the intention to gener-ate new knowledge on measuring health utility and provide healthservice researchers with useful tools and guidance for obtaining the values.