本文关注到互联网时代中国网民在微博上创设的“锦鲤”俗信，其拥有数以千万的“信徒”和拥趸。锦鲤俗信及伴随而生的网络狂欢正在影响着中国当代青年人的精神文化，引发了诸多社会讨论，其中不乏批判之声。笔者希望通过本研究，解决两个关键问题：（1）锦鲤俗信为何产生并广泛传播；（2）锦鲤俗信具有怎样的功能。研究力图用客观、中立、科学、严谨的方法，探索锦鲤俗信的社会价值与影响，也消除锦鲤圈外的人对锦鲤俗信的困惑和误解。 基于目前对“锦鲤”的学术文献，笔者发现大多数国内学者采用思辨的方式进行研究，量化研究的数量屈指可数，更无学者通过访谈的方式来了解锦鲤俗信或微博锦鲤狂欢背后的动因与功能。因此，研究采用了质化与量化研究相结合的方法，将微博用户客观行为数据与线下访谈所得的主观情感进行整合分析，更为全面地探察锦鲤俗信的表与里。 第二章对锦鲤俗信产生的文化背景进行了必要的梳理，解释了鱼与祈福的内在关系。从原始的鱼图腾说起，详细解读了“鱼”在古代生活中关于生殖、自然、祥瑞、谐音上的象征意义。而后文章分析了当下锦鲤俗信中越来越丰富的锦鲤形态，重点关注其不同于古代的商业符号象征和随热点潮流而变的特点。 第三章主要讨论了微博锦鲤俗信产生并广泛传播的多种原因。从时代背景上看，传统信仰的失落导致现代人在精神上遭遇了信仰缺失的危机，而努力就会有回报的神话一去不复返，“锦鲤”成为现代人追求的心理安慰剂，以填补信仰缺位和缓解焦虑。此外，从众心理、猎奇心理、投机心理以及追星族支持偶像人设和自我实现愿望等，都在访谈语料中被证实促使网友们参与到微博“锦鲤”俗信的传播中去。 第四章从爬虫得到的一手数据和访谈资料中整理、回答了锦鲤俗信的功能问题。作为一种新型的民间俗信，“锦鲤”与传统信仰一样承载着人们祈愿的功能。在研究中发现，人们向锦鲤许下的愿望体现出世俗气息浓厚、涉及范围广泛的特点。而作为一种微博传播行为，自主发表或转发锦鲤微博实现了心理调节、交际、娱乐和认知自我的功能。 第五章对全文进行总结。此外，对爬取的微博文本数据以及访谈内容提供的锦鲤俗信的其他相关内容做了讨论，研究发现锦鲤俗信并非迷信，也不像批评中所说的“宣扬幸运文化”，而让青年人渴望“不劳而获”。相反，它是努力文化的另一种表征，青年人通过锦鲤俗信维持努力状态，避免成为真正的“丧气之人”。从锦鲤俗信中的祈愿文本和祈福对象来看，都能发现其中的正能量。因此，研究认为，锦鲤俗信带来的正面影响远大于负面影响。

This article focuses on the koi’s folk belief created by Chinese netizens on weibo in the Internet era, which has tens of millions of followers. Koi’s folk belief and the ensuing carnival in weibo are influencing the spiritual culture of contemporary Chinese young people, and have stirred up a lot of social discussions, among which there are a lot of criticism. The author hopes to solve two key problems in this study :(1) why the koi’s folk belief is produced and widely spread; (2) what is the function of koi’s folk belief? The study try to ues bjective, neutral, scientific and rigorous methods to explore the social value and influence of koi’s folk belief, and to eliminate the confusion and misunderstanding of people outside the culture circle of koi. Based on the current academic literature on "koi", the author finds that most domestic scholars adopt a speculative approach to research, and there a little quantitative research is available. No scholars research the motivation and function behind the koi's folk belief or internet carnival by means of interview.Therefore, this study combinded qualitative and quantitative research to integrate and analyze the objective behavior data of weibo’s users with the subjective emotions obtained from offline interviews, so as to more comprehensively explore the appearance and inner of koi's folk belief. The second chapter makes a necessary analysis of the cultural background of koi's folk beliefs and explains the relationship between fish and blessing. Begining with the primitive fish totem, this paper explains in detail the symbolic meaning of "fish" on reproduction, nature, auspiciousness and homophony in ancient life. And then, the paper analyzes the increasing forms of koi in koi’s folk belief. It’s noteworthy that the commercial meaning and changing with tide which are different from what it was in the old time. The third chapter mainly discusses the reasons for the emergence and wide spread of microblog koi's folk belief. From the perspective of the historical background, the loss of traditional beliefs has led to the spiritual crisis of modern people's lack of faith, and the myth that efforts will be rewarded is gone forever, making young people more in need of comfort while making efforts. At present, the lack of belief of young people is the social background of the common belief of koi. "koi" has become the psychological placebo sought by modern people to fill the gap of belief and relieve anxiety. In addition, the psychology of conformity, curiosity and speculation, as well as the fans' support for the creation of idols and their self-actualization desire, were all confirmed in the interview corpus, prompting netizens to participate in the spread of koi’s folk belief on weibo. In the fourth chapter, the author sorted out and answered the functional questions of the spread of koi carp from the primary data and interview data obtained by the crawler. As a new type of folk belief, "koi" bears the function of people's prayers as traditional beliefs. It is found that the wishes that people make to Koi reflect the characteristics of secular atmosphere and wide range. And as a kind of communication behavior in weibo, self-publishing or forwarding koi micro-blog realizes the functions of psychological adjustment, communication, entertainment and self-cognition. Chapter five summarizes the whole thesis. In addition, after discussing the data collected from the blog posts and other relevant contents of the koi's folk belief provided in the interviews, the study found that koi's folk belief is not superstitious and does not promote a "lucky culture" and makes young people eager to "get something for nothing" as critics say. On the contrary, it is another symbol of the culture of hard work. Young people try their best to keep themselves from becoming "frustrated people" by means of koi belief. Judging from the prayer text and the object of blessing, it is obviously to find the positive energy. Therefore, the author believes that the positive effects of koi's folk belief are far greater than the negative effects.