The purposes of this research were: 1) to study the marketing mix factors affecting to decision for used golf practice court service Siharat Dechchai Camp Khon Kaen Province, 2) to compare the opinions about the marketing mix factors that had effect decision affected the golf practice court service by classified personal factors. The population used in this study was 196 golf players. The collection instrument data used questionnaire, and the statistics used for data analysis consisted of frequency, percentage, mean, standard deviation, independent samples t-test and One-way ANOVA. The results of study showed that: 1. the most responders of questionnaire were be male between 15-20 years old of secondary education, monthly income were not over than 4,000 Baht, the most of parents were self-employed business/trading. Respondents give importance to marketing factors overall as a whole at a high level. The most were product and the next aspects were personnel, service process distribution channels / location, price, marketing and physical promotion, and presentation 2. When comparing the opinions these golf players about the marketing mix factors affecting to decision for service by personal found that the different gender personal factors give importance to marketing factors in the service process were statistically significant difference at the level of 0.05. The golf players who had different guardian occupation was difference in the level of importance of the marketing factors in the aspect of price at 0.05 significantly statistic level. For personal factors age level of education average monthly income were differences but in the importance of marketing mix factors in general in overall aspects were not different.