“配方獨特、選料上乘、工藝精湛、療效顯著”是同仁堂的制藥特色，也是歷代同仁堂人對藥品質量的鄭重承諾和不懈追求。 Tongrentang’s characteristics for processing medicine is “unique formula, superior herbs, perfect craftsmanship and significant efficacy”, which is also solemn commitment and relentless pursuit of Tongrentang people for medicines quality in its history.

但愿世間人無病，哪怕架上藥生塵”是同治年間一位學者寫給同仁堂十一世樂孟繁的一副對聯，盛贊同仁堂濟世養生的高尚醫藥道德與情懷。 “We wish there were no illnesses in the world, even though the drug shelves were covered with dust” is a pair of couplets written by a scholar in Tongzhi era of Qing Dynasty. The couplets highly praise the noble medicine virtues and feelings of “doing good to society and keeping people healthy” practiced by Tongrentang people.

簡稱為“兩個必不敢”，始見于1706年同仁堂藥店創始人樂鳳鳴編寫的《同仁堂藥目敘》，是同仁堂人恪守至今的古訓。該敘載：“古方無不效之理，因修合未工，品味不正，故不能應癥耳。平日汲汲濟世，競競小心。凡所用丸散無不依方炮制，取效有年。每庭訓之……遵肘后、辨地產，炮制雖繁必不敢省人工，品味雖貴必不敢減物力，可以質鬼神，可以應病癥，庶無忝先君之志也”。

“修合無人見，存心有天知”是中醫藥行業普遍遵循的傳統規則，更是歷代同仁堂人的自律準則。 The saying “the strenuous efforts in making exquisite medicines can rarely be seen, but heaven knows our sincerity” is not only a traditional rule comprehensively followed by Traditional Chinese Medicine sector in China, but also a self-discipline rule passed on generations among Tongrentang people.

同仁堂品牌創始人樂顯揚認為 “可以養生、可以濟人者, 惟醫藥為最”，并把“同仁”二字命名為堂名，認為“公而雅”。

Mr. Yue Xianyang, founder of Tongrentang Brand, believed that “among things which can preserve peoples’ health and to do good to society, medicine is the best” and named the pharmacy as “Tongren (cultivate both noble morality and benevolence)”, meaning “equal and elegant”