Intelligent piano automatic accompaniment method based on automatic playing system

An intelligent piano automatic accompaniment method based on an automatic playing system comprises the steps that 1, intelligent piano application software is loaded in a mobile phone, the intelligent piano application software is connected with an intelligent piano, a tone number of a track is selected, an accompaniment is played according to the tone number through the intelligent piano, and accompaniment is recorded by means of an acquisition system and the intelligent piano application software; 2, storing the recorded accompaniment as an MIDI format file; 3, storing the obtained MIDI format file, the corresponding rhythm, the corresponding speed and the corresponding number adjusting information to a server; 4, constructing a shifting formula, and shifting the recorded file in the MIDI format of the shifting formula to obtain a new MIDI sequence; and 5, orderly restoring the MIDI information on the intelligent piano through the new MIDI sequence to realize automatic accompaniment. The automatic accompani