The subjects of this study were discussing (1) swimming to cross the south bay beach sport tourists' elder participant demographic characteristics variable distribution condition, (2) swimming crosses the south bay beach sport tourists' elder participant different demographic characteristics variable difference of situation in the leisure demand and the leisure constraint. This research reference related literature carries on the establishment "the swimming to cross the south bay beach sport tourisms' elder participant leisure demand and the leisure hindrance", altogether sends out 450 questionnaire, deducts invalid questionnaire 61, 389 questionnaires were valid retrieved, which is 86.4% of all questionnaires. The results in this study were as follows: The different participation crosses elder of race the south bay beach number of times, in the leisure demand it "the knowledge inquired into that the factor" construction surface, "ability achievement factor" construction surface, "the body and mind release factor" construction surface as well as it "interpersonal hinders" construction surface in the leisure hindrance to reach the remarkable difference to reach the remarkable difference (p<.05); the different participation crosses elder of race the south bay beach number of days, in the leisure demand it "the knowledge inquisition factor" construction surface, "the body and mind release factor" construction surface, reaches the remarkable difference (p<.05). All have not reached the significance difference in other leisure demand and the leisure hindrance factor (p>.05). According to the findings and does give a written guarantee discusses with proposed that the feasible suggestion, and is related the entrepreneur for the government to plan crosses time the south bay sport tourists participation the advantageous reference.