Four years.
According to relevant information from the Life Information Network: The majors of the Conservatory of Music generally include vocal music, instrumental music, composition, musicology and other directions. The undergraduate study time is 4 years, and the postgraduate students need to study 2- About 3 years.
Students studying at the Conservatory of Music need to take professional exams. For example, piano and other musical instruments need to take the ABRSM grade exam, and vocal music majors need to take the vocal grade exam.