Provided are a hormone secretion modulator including a peptide derived from telomerase, more particularly, a peptide including an amino acid sequence of SEQ ID NO: 1, an amino acid sequence having a sequence identity of at least 80% with SEQ ID NO: 1, or a fragment thereof, a pharmaceutical composition including the hormone secretion modulator, and a use of the pharmaceutical composition for treatment, alleviation, or prevention of diseases caused by excessive or deficient levels hormones.