The invention discloses a 
sound wave intervention memory enhancement 
system based on portable EEG equipment. The 
system comprises a specially-made EEG 
signal sound wave intervention instrument, a specially-made 
EEG signal analysis system, a 
sleep analysis algorithm and a 
sound wave audio. The working principle of the platform is as follows: 1, the specially-made EEG 
signal sound wave interventioninstrument collects 
brain waves of a user during sleep and transmits the 
brain waves to the specially-made 
EEG signal analysis system in real time; 2, the analysis system 
decodes and preprocesses theEEG 
signal, and judges the sleep stage of the user through a 
machine learning 
algorithm; 3, when the user enters a moderate deep sleep stage, the system calls sound 
waves with specific frequency and sends the sound 
waves to the intervening instrument for playing intervention, and the brain memory function is enhanced; and 4, when the user enters a non-moderate deep sleep stage, sending of the sound wave is stopped. According to the invention, the design is carried out based on the data characteristics of sleep EEG signals, and the principle that sleep slow-
wave frequency sound 
waves can enhance the 
resonance of the brain spindle body so as to enhance the 
memory formation and consolidation is applied, so that the function of enhancing the brain memory during sleep is realized.