易水学派创始人,张元素,在遣药治方学上,继承和发扬前人的经验,创造了“引经报使”理论,并确立了十二经引经引报使药,对后世方药学的发展产生了深远的影响,同时也引起了学术争鸣.张氏提出十二经引经药,原见《珍珠囊》一书.明代李时珍备加推崇,把它收载于《本草纲目·序例》中.脾胃学家李杲,在遣药治方学上,也深受张氏影响,运用引经药很有建树.尤在泾 The founder of the Yi Shui School, Zhang Yuanxuan, inherited and carried forward the experience of his predecessors in the field of drug treatment. He created the theory of “citing the press” and established the theory of the introduction of the Twelve Classics to the future generations. The development of Chinese pharmacy has had a far-reaching impact, and it has also aroused academic disputes. Zhang proposed the 12 Classics of Medicine cited by the Bible. See the book “Pearl Capsules.” The Ming Dynasty Li Shizhen has praised and added it to the Compendium of Materia Medica. ·In the “Preface”", the spleen gasologist Li Yu, was also deeply influenced by Zhang in the study of the prescriptions for sending medicines.