This invention provides a flower quick-acting fertilizer and a production method thereof. Chemical fertilizers of nitrogen, phosphorus, potassium, etc. are dissolved in water to be made into nutrient solution for being sprayed on expanded perlites which is used for absorbing nutrient elements to ensure that the nutrient elements in the fertilizer are slowly released, which can better meet the nutrient requirement of flowers. The invention has quick and lasting fertilizer effect and balanced nutrition, can loosen soil, improve the structure of soil, enhance water conservation and fertility abilities of the soil and improve soil permeability and heat preservation.