The Executive Yuan put forward the Five Links of Food Safety Policy to enhance the verification of agricultural product and boost the use of traceable local ingredients for school lunches. In this way, the features of school lunches would be created while food safety policy was implemented step by step. In March 2017, 6 municipalities, cities and counties namely Hsinchu City/County, Taichung City, Tainan City, Yilan County, and Taichung County were in initial trial. In the same year in September, 20 Cities and Counties including Penghu Counties participated also in the use of 4-labels-1-Q (GAP, CAS, CAS Organic, TAP, and QR Code) ingredients for school lunches, beneficial to 1.86 million students from 3500 schools and boosting 4000 hectares production area. The COA assisted school procurement staff to identify 4-labels-1-Q agricultural products correctly, reinforcing and putting school lunch inspection and ingredients registration into effect.