The invention discloses an organic fruit and vegetable nutrient soil and a production method thereof. The organic fruit and vegetable nutrient soil comprises, by weight, 20-26 parts of crop straws, 12-18 parts of urea, 5-13 parts of stable manure, 5-10 parts of needle-leaved tree fallen leaves, 1-5 parts of oil cakes, 1-5 parts of coal slag, 3-8 parts of attapulgite clay, 5-10 parts of potassium chloride, 3-8 parts of sea mud, 1-3 parts of potassium sorbate, 3-8 parts of perlite, 1-5 parts of pig bone meal, 1-5 parts of tea saponin, 1-3 parts of vermiculite, 10-16 parts of EM strain and 45-52 parts of water. The production method comprises the following steps: mixing and uniformly stirring the crop straws, the stable manure, the needle-leaved tree fallen leaves, the oil cakes, the coal slag, the sea mud, potassium sorbate, perlite, the pig bone meal, the tea saponin, vermiculite, the EM strain and water, carrying out sealed fermentation, air-drying the obtained fermentation product, mixing the air-dried fermentation product with urea, the attapulgite clay and potassium chloride, and crushing the obtained mixture to obtain the organic fruit and vegetable nutrient soil. The organic fruit and vegetable nutrient soil has the advantages of comprehensive nutrition, seedling stage disease prevention, growth promotion, output increase, quality improvement, no pollution in the production process, and suitableness for industrial production.