This study aims to study the attitude, motivation, behavior needs and intention of the tourists, Thais and foreigners, toward health tourism. Also, this study aims to study the marketing factors which influence Thais and foreigners decisions to select the health tourism service. The sample of this study consists of males and females aged more than 20 years-old up to over 60 years old, sample size is 350, 200 are Thai tourists and 150 are foreign tourists. The results from the study found that the most Thai responders are 31-40 years old females, mostly married, bachelor degree-holder and monthly income is 20,001-40,000 Bt. per month, whilst, the most foreigners who gave the response are 31-40 years old females, mostly married, bachelor degree-holder and monthly income is $3,000-5,000 per month and are employees of the private companies. The results of the study indicated that the price value and superior service are influential factors that affect the attitudes and motives toward the decision to utilize the health tourism.