The 12 quantitative traits were selected and classified with 70 amaryllis varieties. And the measurement site of five quantitative traits were studied also. The results showed that all quantitative traits are suitable for DUS testing, while characteristic 2 has a weak distinguishing ability. 12 quantitative traits can be classified into 3-9 continuous grades respectively. The peduncles become narrow from base to apex with a different degree in different variety. The measurement of “Peduncle: maximum width at middle third” should be made at the middle of peduncle to reduce the error. The quantitative traits of different peduncles have little difference, except for length of peduncle and pedicel. The differences between quantitative traits of different flowers on the same peduncle were little. There is no significant difference between the lengths of outer petal, so do the width of them. Bulb size had a remarkable effect on quantitative traits.