Using a large population of 866 maize-teosinte introgression lines that has been genotyped into 19,838 SNP markers, we performed a high resolution QTL mapping of the plant height and ear height. The results showed that there are wide genetic variations in plant height and ear height, which belong to typical quantitative traits and are controlled by the genes of small effect. Totally, 4 QTL of the plant height were located on chromosome 1, 5 and 8, and the phenotypic contribution rate and additive effect of each QTL ranged from 2.33% to 4.85% and from 2.33 cm to 6.01 cm, respectively. In addition, 10 QTL of the ear height were located on chromosome 1, 2, 3, 5, 6, 7 and 8, and the phenotypic contribution rate and additive effect of each QTL ranged from 1.77% to 6.15% and from 1.75 cm to 6.25 cm, respectively.