太平惠民和剂局方

The Song state ran its own pharmacies, which made up medicines to fixed recipes and sold them. Their formulary, first issued in the late 11th century, was revised as the 和剂局方 and given its full name in 1151, when the shops became the 太平惠民局. Its final edition has 788 formulas, among them 藿香正气散 and 四物汤, both still in use.

Usually shortened to 和剂局方 or just 局方. 和 here means 'to blend', as in mixing medicines, and 剂 is a dose of medicine.