细化教学是指在教学过程中,把教学内容或学生人数科学、合理地分成最小的学习单元,从而高效、高质量地完成教学目标。教学过程最优化的主要标准,是完成教学任务的效率和质量,以及师生在完成这些任务时所花费的时间和精力。文章根据细化教学实践,论证了其完成教学任务的效率、质量、时间和精力正好符合最优化的标准。 Refined teaching refers to teaching process, the teaching content or the number of students scientifically and reasonably divided into the smallest unit of learning, so as to efficiently and with high quality to complete the teaching objectives. The main criteria for the optimization of the teaching process are the efficiency and quality of teaching tasks and the time and energy spent by teachers and students in accomplishing these tasks. According to the detailed teaching practice, the article proves that the efficiency, quality, time and energy of completing the teaching task meet the standard of optimization.