Engaged in pesticide residue detection, the main counterpart professional certificate is the pesticide residue detector certificate. With the development of agricultural industrialization, the production of agricultural products is increasingly dependent on exogenous substances such as pesticides, antibiotics and hormones. The amount of pesticides in agricultural products in China remains high, and the unreasonable use of these substances will inevitably lead to excessive pesticide residues in agricultural products, which will affect the food safety of consumers. In severe cases, it will lead to illness, abnormal development and even poisoning death of consumers.