The invention discloses a moist and bright repair lip gloss and a preparation method thereof. The lip gloss comprises the following substances: walnut oil, linseed oil, rose infused oil, snow lotus herb infused oil, grape seed oil, macadamia nut oil, sweet almond oil, honey, vitamin E, lard oil, coconut oil, beewax, vaseline, mica powder and essence. Compared with the prior art, the suncrack symptom of the lip is nursed by using a plant essence, safe mica powder is adopted, and the lip is fuller, displays different colors, is applicable to different colors of lips and skins, and has fragrance smell, mild property, good moisture effect, high safety and nursing effect. The lip which is not maintained at ordinary times is repaired while beauty is enjoyed, and the lip is fuller.