The Eye Tracker was used to investigate the eye movement of the subjects while they were viewing the black and white face images with different visual angle. Forty-one college students took part in the study and were required to make a judgment on the facial attractiveness of the picture. The results were as follows: 1) The significant differences were found on the pupil size for different positions of face, the vertical faces were the biggest and the right-leaning faces were the smallest; 2) The fixation duration on the vertical faces was signifi-cantly longer than the others and left-leaning faces were larger than the right-leaning faces. 3) The fixation count of the vertical faces were more than those leaning right or left. To sum up, the results demonstrated that angles that faces leaned is an important factor on the judgment of facial attractiveness, existing significant ″Angle Effect″, namely the vertical faces were more attractive than other faces. At the same time, the study also found that the left-leaning faces were more attractive than the right-leaning faces, that is to say the left-leaning faces are more likely to gain the preference.%以标准的黑白面孔图片作为实验材料，让41名大学生观看不同倾斜角度（左倾、竖直和右倾）的面孔图片，并对之进行面孔吸引力的评价，同时用眼动仪记录被试的眼动数据。结果显示：（1）被试观看左倾和右倾面孔的平均瞳孔大小显著小于观看竖直面孔的平均瞳孔大小，观看左倾面孔的平均瞳孔大小显著大于右倾面孔；（2）被试对左倾和右倾面孔的平均注视时间显著短于对竖直面孔的平均注视时间，同时对左倾面孔的注视时间显著长于右倾面孔；（3）被试对左倾和右倾面孔的平均注视次数显著少于对竖直面孔的平均注视次数。实验结果表明，面孔的倾斜角度很可能是影响面孔吸引力的一个重要因素，在面孔吸引力的审美偏好中存在“角度效应”，即竖直面孔的吸引力高于倾斜面孔的吸引力，左倾面孔的吸引力高于右倾面孔的吸引力。
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