Engineering geology, with rich teaching content and strong practicality, is one of the fundamental courses for students majoring in water conservancy. It is worthy to be deeply discussed on how to effectively improve the quality of teaching in the classroom and the field geological practice. Difficulties of the course and practical problems in teaching were analyzed in detail. Meanwhile, teaching experience and reform exploration were comprehensively introduced from the point view of classroom teaching, practical teaching, bilingual teaching and course assessment, respectively. It is proposed that in classroom teaching, theory should be closely tied to the engineering practice. In practical teaching, the ability of students on how to discover, analyze and solve engineering geological problems should be emphasized. Carrying out bilingual teaching is an inevitable trend to train international talent and students' comprehensive ability should be fully disclosed in assessment system.