Professional skills of effective teachers are needed in teaching and learning process. It is because professional skills can affect on students academic achievement. The aim of this study is to find out the students’ perception on professional skills of effective teachers. To answer the research question, the researcher used qualitative research by descriptive qualitative as the approach of this research. Then the research used interview guideline as the instrument to collect the data. The data was analyzed through coding process. Coding consists of open coding, axial coding and selective coding. Furthermore, the participant were four students from English Education Department batch 2012. It is chosen by researcher used convenience sampling. This paper presents ten characteristics of professional skills that effective teachers should have. First of all, in teaching and learning process effective teachers should master to the material then they are able to deliver the material to their students .The second, the researcher discover that effective teacher should have good preparation about their lesson plan both in daily lesson plan and whole lesson plan in semester. Effective teachers should make lesson plan which will help the teaching and learning process in achieving the goals. Lesson plan should be considered from several points; they are time management, appropriate materials, and the goals of lesson. The third, the effective teacher should establish the rules and give reward and punishment to manage the students’ behavior. The fourth, the effective teacher can use assessment and communication to measure the students’ language ability, and v then teachers use the appropriate methods to increase the students’ language ability. The fifth, the effective teacher should have good communication skill. Communication of effective teachers should be clearly, thus student will be easy to understand. The sixth, in motivating students, teachers can be role model of the students, giving reward and positive feedback.The seventh, the effective teacher should respect to their students inside and outside the classroom, respect on students’ background and economic status and effective teacher should be fair in giving score transparently and objectively. The eighth, the effective teachers should have self confidence in teaching their studentsby showing to the students that they are able to teach them. The ninth, the effective teachers should asses the student’s ability appropriate instrument, giving positive and objective feedback, and giving solution to their students’ problems or mistakes. The last, effective teachers should keep learning with updated information or learning technology to make their teaching process better.