Speaking is the way to communication with other people, while in indonesia english is learned only at school and people do not speak the language in the society that is why teaching speaking must be focused at school in order to make them capable to speak english well. This research use quantitative approach aims to investigate the students’ speaking skills through conversation and to discover the use of conversation improve the speaking competence of the students’ speaking skills. the participants were 20 students of second grades of SMP Inshafuddin using random sampling. This data involved test to get the result. The result showed that the students’ speaking skill through the conversation was effective to improve the students speaking ability, it was proven by the result of the test score in speaking which were pre-test was 46 and post- test was 75. The percentage both of tests was 38,7 %. It concluded that there was significant difference between the students speaking ability before and after through conversation in speaking process in improving the students speaking ability of SMP Inshafuddin.