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Objective To observe the color vision testing and training improves Chinese Medicine inspection diagnosis teaching effectiveness. Methods Those students who attended the course of Chinese Medicine diagnosis methods research in Beijing University of Chinese Medicine were selected to take part in this test. Farnsworth-Munsell 100 HUE Test system was used to evaluate the students' color discrimination ability. After the first test, students receive two-week training. And then Testing Error Score and different tone color vision ability was collected to analysis the students' color vision ability. Results After training, among all 98 tested students, there are 82 persons' (84.67%) level of color discrimination ability raised, 12 (12.26%) declined, 4 (4.08%) unchanged. The average TES of students score as good in the first test reduced from 10.55±5.63 to 7.23±8.36, within normal group reduced from 46.51±20.69 to 22.86±22.95, in poor group reduced from 122.13 ±26.21 to 46.63±34.43, the difference was statistically significant (p<;0.05). Compared with other 3 groups, red-yellow hue color discrimination ability improvement is most significant (p<;0.05). Conclusion This study provides the teaching of inspection diagnosis an objective assessment and training tools. By using FM100 Hue Test, the ability of medical students' color discrimination can be effectively improved.