The invention relates to sunflower SPA skin-softening and relieving original fluid and a preparation method thereof. The sunflower SPA skin-softening and relieving original fluid is prepared by 2, 3-butanediol, polyethylene glycol-8, propylene glycol and glycine betaine which serve as a wetting agent, sunflower extract, beta-glucan, allantoin and sodium hyaluronate which serve as a skin regulating agent, a PVM / MA decadiene cross-linked polymer which serves as a slip agent, polyacrylic acid which serves as a thickening agent, triethanolamine which serves as a pH conditioning agent, methylparaben and phenoxyethanol which serve as a preservative, EDTA disodium which serves as a chelating agent, essence which serves as a flavoring agent, menthyl lactate which serves as a freshener, and water which serves as a solvent. Leaves and stems of a sunflower are cut, when an autologous immune system of the sunflower is stressed to produce prothetic secreta, the secreta are extracted, cell culture is conducted, and an obtained secondary metabolic product is the sunflower extract. Various vitamins and unsaturated fatty acid can be transferred to skin, the original fluid is soft and capable of nourishing, outside damage on the skin is relieved, the tolerance of the skin is reinforced, and sensitive skin is relieved.