Abstract: General chemistry, organic chemistry and analytical chemistry are important foundation courses of biology disciplines in agricultural colleges and universities, which is based on the experiment. Interest is the catalyst for intelligence and ability of students, so cultivating their interest during the experiment is the key to enhance the teaching quality of experiment courses. In this paper, we promote experimental teaching quality by the ways of improving teaching methods, developing students experiment interest, strengthening professional standards of teachers, establishing a harmonious relationship between teachers and students and then taking full advantage of all experimental teaching aspects.