The invention discloses a compound quercetin nano-emulsion anti-aging health care product. The raw materials and mass percentages thereof are: 1% to 15% of quercetin, 15% to 40% of a surfactant, and 1% to 10% of a cosurfactant 15%, oil 5%-25%, celery water extract 1%-15%, mushroom water extract 1%-15%, the rest is distilled water, and the mass percentage sum of the above-mentioned raw materials is 100%. The nano-emulsion emulsion has small particles, uniform distribution, low viscosity and good fluidity. The present invention uses the fat-soluble natural product quercetin with high anti-aging effect as the main component, supplemented with celery water extract and mushroom water extract, and has the functions of maintaining skin moisture, regulating sleep, delaying aging, and regulating immune function. It has a certain health care effect on diseases such as high blood pressure, high blood fat, high blood sugar, and heart disease.