In ancient times, forgetting words actually refers to love and peace, that is, going to the frontier to defend the frontier. In the ancient poems describing military life, most of them indicate the border of the moon. The bright moon and the border pass have become two typical scenes in the life of soldiers guarding the border. The soldiers guarding the border probably have no time to miss home because of the busy military affairs during the day. In the silent night, facing the desolate mountains, they are lonely and sad. When they looked up and saw the bright moon thousands of miles away, they bowed their heads and missed their relatives in their hometown. The general idea of the whole poem is: this bright moon is the bright moon that frontier fortress soldiers looked up to in Qin and Han Dynasties, and this pass was guarded by frontier fortress soldiers in Qin and Han Dynasties. After a long journey, the soldiers stationed on the border have not returned to their hometown. As long as there is a general like Li Guang guarding the border, we won't let the Hu people's cavalry cross Yinshan to invade the south. The whole poem reflects the author's sympathy for the frontier soldiers who have not returned for a long time, and also expresses the poet's hope that the court will be a good general, calm the border war as soon as possible, and make the country get peace and the people live a stable life. "Forgotten ancient words" refer to poems written by all the people in ancient times, or words once said by people in frontier areas. The poet is eager to see the Great Wall beyond the Great Wall again, see the scenery beyond the Great Wall, and relive the local customs beyond the Great Wall. Expressing the poet's love and nostalgia for the scenery beyond the Great Wall, thoughts and feelings 18