行程问题在我们日常生活当中无处不在,因此,有关行程问题的应用题历来被各种版本的教材列为重点内容,对提高学生解决实际问题的能力,激发学生的学习兴趣至关重要。这类问题大致分为:基本行程问题、相遇问题、追及问题、航行问题和环行问题。 Travel problems are ubiquitous in our daily lives. Therefore, the application of travel problems has been listed as a key content in various versions of textbooks. It is essential to improve students’ ability to solve practical problems and stimulate students’ interest in learning. These types of questions are broadly divided into basic journey problems, encounter problems, problem-solving problems, navigational problems and circulation problems.