The invention relates to a flower special fertilizer containing rare earth, which belongs to the fertilizer field; the components thereof are R1, R2, R3, RE and auxiliary materials, wherein, R1 is at least two kinds of major elements such as N, P and K which are necessary for flower growth, R2 is at least one of medium elements such as Ca, Mg and S, R3 is at least one of microelements such as Zn, B and Fe and RE is at least one of rare earth elements such as La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Y and Sc. According to the different weight proportions of R1, R2, R3, RE and various elements therein, a base-application special fertilizer or a rush-application special fertilizer for flowers of ornamental flower, ornamental foliage and ornamental fruit is prepared. The flower special fertilizer has balanced nutrition and reasonable proportion, can remarkably promote flower growth and improve the stress resistance, avoids flower quality reduction caused by nutrient deficiency, and reduces nutrient losses, avoids environmental pollution and is used for flower production at the same time.