The psychological state of traders is partly shaped by the information they are exposed to every day. The quality of the information environment directly affects emotional stability and clear judgment. This article distinguishes between noise and signal, analyzes the psychological cost of information overload causing anxiety impulses, and echo chambers compressing the independent judgment space. It also provides intake management habits of using data prices as a reference, setting an upper limit for information consumption, and making judgments when the information is calm, to help traders converge on information sources and maintain independent judgment.