The goal of this study is to identify the key factors that influence the development of trimming skills in a fruit canning factory by collecting data over a three-month period and selecting 10 staff members from the pineapple trimming section as the group sample. The research tool is the questionnaire. We studied the sample group by questioning the key factors, for instance, training satisfaction, stress, and self-motivation. The questionnaire responses indicate that the sample group is satisfied with the training program and the training process; however, despite their greater capacity for trimming pineapple, the sample group found themselves stressed at work due to concerns that the results of trimming pineapple would not meet the factory’s expectations. However, after the training, the results show that productivity is increased by an average +35.00% and defects are decreased by an average –30.00% compared to normal business without training.