The invention discloses a preparation method of a
Vaccinium dunalianum Wight extract. The preparation method comprises the following steps: taking tender leaves of
Vaccinium dunalianum Wight, adding water, boiling for several minutes, then cooling, filtering, and taking the filtrate to obtain a thick juice; taking tender leaves of
Vaccinium dunalianum Wight, adding water, boiling for several minutes, then cooling, filtering, and taking the filtrate to obtain a thin juice; proportionally taking the thick juice, adding the thick juice into the thin juice, stirring for several minutes, then leaving to stand, filtering, taking filter residues, and
drying to obtain the
Vaccinium dunalianum Wight extract. The preparation method of the
Vaccinium dunalianum Wight extract is simple, low in cost and easy for large-scale production. The prepared
Vaccinium dunalianum Wight extract has a very good
curative effect on
gout, can quickly relieve symptoms, has a very good function of preventing
gout recurrence, is small in toxic and
side effect, is suitable for various
gout patients, has the effects of dispelling wind and removing obstruction in the meridians, tonifying qi and refreshing, can treat both symptoms and root causes of gout, also has a synergistic treatment function on
kidney stone and hypertension, and is suitable for being taken by all gout patients for a long time.