Anti-allergy preparation and preparation method and application thereof

The invention discloses an anti-allergy preparation and a preparation method and application of the anti-allergy preparation. The anti-allergy preparation comprises the following raw materials by weight percent: 10-30% of plum blossom, 20-40% of ginger, 10-35% of cactus, 10-20% of bamboo leaves and 5-15% of licorice. The preparation method of the anti-allergy preparation comprises the following steps: drying the 10-30% of plum blossom, the 20-40% of ginger, the 10-35% of cactus, the 10-20% of bamboo leaves and the 5-15% of licorice in the air, mixing, grinding into particles, extracting by using 50-90% ethanol solution, centrifuging after finishing extracting, taking supernatant, adding activated carbon into the supernatant, standing, centrifuging to obtain supernatant, distilling the supernatant and drying to obtain the anti-allergy preparation. The anti-allergy preparation disclosed by the invention has high anti-allergy effect and can be applied to the skincare and shower products to reduce the irritation of the cosmetics and the allergic reaction.