The richness of online language situation brings the richness of network parlance. New words and phrases, vulgar words, emoji, text titles, punctuation marks, and Chinese-English inclusions in the network context constitute a variety of network terms. This paper analyzes the linguistic cognition of college students by investigation and statistics from the perspective of the full sample and causal relationship variables. It believes that college students have formed multiple and contradictory cognitive thinking characteristics. The “absence” of Chinese culture is the root cause of the cognitive defect. It is important and urgent to cultivate the language culture of college students.