The purposes of this study were to investigate and to compare the effects of hip-thighflexibility training by dynamic stretching methods on frontal split flexibility. The sample was composedof 30 freshmen students who were Purposive selected fromthe Faculty of Physical Education,Srinakharinwirot University, Ongkharak Campus and agesbetween 17 – 20 years old. They was trainedby the dynamic stretching method underwentan 8 – week program, 3 times per week. A pre-test, andmid-test and a post – test was administeredby using an anthropometer. The frontal split was used inthe hip – thigh flexibility test. Mean and standard deviation were used for descriptive information. TheOne-Way Analysis ofVariance with Repeated Measures used in the Statistical treatment, The data werecompared in pairs by the LSD Method.