The invention relates to a spaying technology of an imitation marble and an imitation ceramic. The spraying technology comprises the following steps of S1, performing cleaning treatment on the surface of a flowerpot, and performing drying for standby application; S2, spraying priming paint on the surface of the flowerpot, and enabling the sprayed flowerpot to be subjected to standing for 8-10 hours, so as to enable the priming paint to be completely solidified; S3, spraying an aqueous priming paint of required color, putting the flowerpot in an infrared oven for 2-4 minutes, and completing drying; S4, spraying aqueous paint, spraying paint or performing manual dotting according to the required effect, after the required effect is manufactured, sending the processed flowerpot to the oven of 70-80 DEG C, performing baking for 4-6 minutes, performing cooling, and when sticky feeling when people touch the flowerpot by one hand does not exist, performing the next working procedure; and S5, spraying an PU finish paint or an UV finish paint, and performing drying, so as to obtain the flowerpot with a decorative coating. Through the adoption of the spraying technology disclosed by the invention, decorative patterns on the external surface of the flowerpot are artistic and the situation that the whole flowerpot is light and graceful is guaranteed; and besides, the spraying technology disclosed by the invention is simple, and the flowerpot prepared by the spraying technology disclosed by the invention is low in cost.