This thesis was aimed to know the implementation of teaching speaking by using problem solving strategy and to know the students’ speaking ability after learning using problem solving strategy. The researcher used descriptive qualitative method. The subject of the study were the lecturer and the fourth smester students of English Department of STKIP PGRI SIDOARJO in evening class. To collect the data, the researcher used observational checklist and students’ performance score. Observational checklist was used to know the implementation of problem solving strategy in teaching speaking and students’ performance score was used to know the students’ ability after learning using problem solving strategy. The findings of this study showed that the implementation of using problem solving strataegy was done by doing the students’ presentation to solve the problem that was given by the lecturer in each meeting and in the end of the meeting, the lecturer take the score of the students to know the students’ ability after learning using problem solving strategy. The ability of the students after learning using problem solving strategy was in the range good. It proved that problem solving strategy was good to be implemented in speaking material to the fourth semester students of English department of STKIP PGRI SIDOARJO.