The content of this course includes: introduction to Taiwan’s main types of vegetables and food crops, and the cultivation environment, and the types of pests that occur during each growth period during the growth process. The correct diagnosis of pests is the basis for choosing the correct management method, and the identification of large and small pests The diagnosis can be assisted by the pest damage process and the remaining traces, and the students collect pest samples from the field, bring them back to the laboratory, observe under a microscope, and compare the classification characteristics according to the illustrated book to let the students actually operate and identify to confirm the pest species.