Stevia rebaudiana steviol glycoside sweetening fertilizer and preparation method thereof

The invention discloses a stevia rebaudiana steviol glycoside sweetening fertilizer and a preparation method thereof. The sweetening fertilizer is prepared from the following raw materials by mass percent: 10.0 percent of stevia rebaudiana dried leaf, 20.0 percent of leaf residue after stevia rebaudiana extraction, and 70.0 percent of attapulgite. The fruit and vegetable sweetening fertilizer is produced by taking the stevia rebaudiana as one raw material and using multiple high-sweetness steviol glycosides contained in the leaves, stems and other tissues of the stevia rebaudiana, the sweetness of fruits and vegetables can be remarkably improved by applying the sweetening fertilizer, after being taken in a human body, the steviol glycosides do not participate in metabolism and basically do not generate heat, and the produced fruits and vegetables are especially suitable for patients with diabetes, obesity, hypertension, heart disease and the like; the attapulgite is taken as a fertilizer slow release agent, t