微丸是澳门沙金传统特色制剂，均采用传统手工制作，一是传承清宫用药标准，选用“上等、纯洁、地道”的药材;二是制作工艺精良，药材鉴别炮炙技艺、粉碎与细料套研技艺都十分“讲究”。此外，微丸剂型的品种丸药都极其微小，制作起来难度极大，起模子时所用的药粉量要计算的非常准确，所用粘合剂的量也要把控精准。

Pellets are a traditional characteristic preparation of Tongrentang, which are all made by traditional hand. First, inherit the medication standard of the Qing palace and select "superior, pure and authentic" medicinal materials; Second, the production technology is excellent, and the medicinal material identification, firing technology, crushing and fine material research technology are very "exquisite". In addition, the varieties of pellets are extremely small and difficult to make. The amount of powder used in mold lifting should be calculated very accurately, and the amount of adhesive used should also be controlled accurately.