The invention discloses an Acanthopanan trifoliatus (L.) Merr. health care product and its preparation method. The health care product contains the following Acanthopanan trifoliatus (L.) Merr. and Chinese herb raw materials by weight: 30-40 parts of Acanthopanan trifoliatus (L.) Merr., 3-7 parts of radix astragali, 3-7 parts of fructus lycii, 3-7 parts of honeysuckle, 3-7 parts of radix isatidis, 3-7 parts of ginger, 5-15 parts of white sugar, and 15-30 parts of honey. The preparation method of the Acanthopanan trifoliatus (L.) Merr. health care product includes the steps of: firstly drying the Acanthopanan trifoliatus (L.) Merr. and the Chinese herb raw materials except the white sugar and honey, drying and conducting preparing according to the weight parts; then crushing and sieving the materials, adding the white sugar and honey, and delivering the materials into a blender to fully mix them; and performing ultraviolet irradiation on the mixture to carry out sterilization and disinfection, then preparing the mixture into granules, tablets, capsules or large honeyed pills. The invention provides the Acanthopanan trifoliatus (L.) Merr. health care product with the efficacy of clearing heat and removing toxic substances, expelling wind and promoting diuresis, as well as relieving cough and asthma, etc. If taken frequently, the product can improve disease resistance and enhance immune function. Also, the health care product is inexpensive and is convenient to take.