叙述汉民族从炎黄时代到秦汉时期形成的历史过程。指出汉族的形成是各民族结 合发展的产物，历史上的３次民族融合促进了汉民族的发展壮大，并分析了汉民族的特征和形成 的文化、制度和思想等方面的条件。 Describe the Han nationality from the Yanhuang era to Qin and Han Dynasties formed the historical process. It points out that the formation of the Han nationality is the product of the combined development of all ethnic groups. The three national integration in history promoted the development and growth of the Han nationality and analyzed the characteristics of the Han nationality and the conditions for the formation of the culture, system and ideology.