The aim of this research wasdetermine effect of teachers effective communication with students interest joining BK service. Issues of study to knowinfluence of teachers effective communication with students interestjoiningBK service. This research was quantitative. Population was 350 students, 20% of samples were 70 students with simple random sampling technique.Correlation using simple linear regression, correlation value was 0.473 ,determination value was 0.224 or 22,4% interpreted effective communication contributes 22,4% to variable interest of following BK services, theres no significant influence and positive. Research results shows there was an influence between teachers effective communication with students interest joining BK service.Tujuan penelitian untuk mengetahui pengaruh komunikasi efektif guru BK dengan siswa terhadap minat mengikuti layanan bimbingan dan koseling Permasalahan penelitian apakah ada pengaruh komunikasi efektif guru bimbingan konselingBK dan koseling. Penelitian ini bersifat kuantitatif. Populasi 350 siswa, sampel 20% sebanyak 70 siswa dengan simple random sampling. Hasil korelasi menggunakan regresi linear sederhana, nilai korelasi 0,473, nilai determinasi 0,224 atau 22,4% ditafsirkan kontribusi komunikasi efektif 22,4% terhadap variabel minat mengikuti layanan bimbingan dan konseling tidak terdapat pengaruh yang positif dan signifikan. Hasil penelitian ada pengaruh komunikasi efektif guru bimbingan konseling dengan siswa terhadap minat dalam mengikuti layanan bimbingan dan koseling.Kata kunci: bimbingan konseling, komunikasi efektif, minat