The purpose of this study is to determine the improvement of biology learning outcomes of students of class X SMA 7 Lubuklinggau state by applying model learning student facilitator and explaining. This research uses Classroom Action Research Method (PTK), which consists of 2 cycles where each cycle consists of four steps: planning, implementation, observation, and reflection. Data collection was done with teacher activity observation sheets and daily test pieces. The subjects of the study were: X grade students of SMA Negeri 7 Lubuklinggau were 38 students. From result of research known that by applyinglearning model studentfacilitator and explaining, student who reach KKM from 52,88 percent in cycle I become 86,21 percent in cycle II. Based on the data analysis can be concluded that by applying model learning student facilitator and explaining the quality of learning on Biology subjects in class X SMA 7 Lubuklinggau increase. The big increase of learning result of class X student of SMA Negeri 7 Lubuklinggau on biology learning using learning model student facilitator and explaining equal to 33,33 percent. This shows that there is an increase of biology learning result of grade X SMA Negeri 7 Lubuklinggau by applying learning model student facilitator and explaining. Keywords:  student facilitator and explaining, biology learning outcomes