Extracurricular practical activities around geography are rich and colorful, including field trips, social surveys, sightseeing and other activities. The complex natural and social environment urges students to be tempted, start work and use their brains in the investigation activities, and constantly contact, analyze, think and solve a series of problems, which will undoubtedly improve their geographical observation and investigation ability. Using maps, analyzing and using geographical charts is of great benefit to training their thinking ability of understanding, judging, reasoning, induction, synthesis and evaluation and developing their intelligence. The study of geographical association is far more complicated than geography textbooks, which provides students with multi-terminal and flexible thinking about realistic geographical problems and is conducive to developing students' creative thinking ability.