As the two most important festivals in China and western countries, Spring Festival and Christmas Day each exempli?fies some of the core values and cultural differences in these two cultures wit which this paper is mainly concerned. By comparing the external manners such as the family reunion, shopping, exchanging New Year greetings, the paper explore the internal cultur?al differences determining those different external manners such as the collectivism, individualism, filial piety, ancestor worship and religion, etc. Through those comparisons, this paper will succeed to achieve its goal if it exhibits, as the title suggests, a glimpse of cultural differences.