Experiential teaching competence (ETC) which has been giving positive supports for teachers in developing qualities and capacities of high school students. Scientific research is a potential resolutions to develop ETC for geography pre-service teachers during the training process. This report summarized some resolution experiences and results on developing ETC by promoting students take part in science researches at Can Tho University (CTU). Observation, interviewing student researchers and their advisers in the period of 2016 – 2019, group researchers had followed and measured the positive changing degree of the ETC of geography pre-service teachers. Orienting and choosing scientific research issues; fostering knowledge and skills in scientific research and education for geography pre-service teachers in teaching process; improve the competence and responsibilities of instructor; support and create encouraged environment to students who have been participating are some activities which have been used at CTU. Research results have given positive contribution to improve up their ETC.