ABSTRAK Jumlah siswa yang merokok dan mengonsumsi alkohol di Indonesia cukup tinggi. Di SMP Taman Harapan 1 Bekasi diketahui bahwa 10,4% siswa merokok dan 2,6% pernah mengonsumsi alkohol. Perilaku ini sebagian besar disebabkan karena diajak teman, agar terlihat keren dan kurang informasi mengenai hal tersebut. Tujuan dilakukannya edukasi pada siswa untuk meningkatkan pengetahuan siswa mengenai bahaya perilaku merokok dan mengonsumsi alkohol. Adapun kegiatan yang dilakukan berupa penyuluhan kesehatan dengan menggunakan media power point. Hasil analisis diketahui terdapat peningkatan pengetahuan siswa mengenai bahaya merokok dan mengonsumsi alkohol sebesar 22,1%-58,5%. Diharapkan tidak ada siswa yang mencoba ataupun aktif dalam merokok ataupun mengonsumsi alkohol di masa mendatang. Kata Kunci: Merokok, Konsumsi Alkohol, Penyuluhan, Pengetahuan, Siswa ABSTRACT The proportion of student which are smoking and alcohol consumption are high in Indonesia. In Taman Harapan 1 Bekasi Junior High School, there are 10.4% student which are smokers and 2.6% which are had alcohol consumption. The most caused this behavior are invited by friends, it make them feel cool, and having less knowledge about the danger of smoking and alcohol consumption. The aims of this education are to increase student knowledge of the danger of smoking and alcohol consumption. The activity was done with socialization using power point media. The analysis shows that student knowledge about the danger of smoking and alcohol consumption are increasing about 22.1%-58.5%. We hope that there is none of student wants to try smoking or be active smoker and consumption of alcohol in future. Keywords: Smoking, Alcohol Consumption, Socialization, Knowledge, Student