Sex hormones regulate human reproductive development, endocrine balance and metabolic health, with their measurement indispensable for life-cycle health management and clinical diagnosis & monitoring. Per the 2026 Chinese Expert Consensus on Gonadal Hormone Testing and 2022 British Columbia Clinical Practice Guidelines, the six-sex-hormone panel serves as the gold standard for evaluating hypothalamic-pituitary-gonadal (HPG) axis function. It enables precise differential diagnosis of sexual development disorders and infertility, assessment of ovarian reserve and ovulation, monitoring of PCOS, menopause and reproductive tumors, as well as prognosis evaluation for assisted reproduction and efficacy assessment of hormone replacement therapy, delivering critical laboratory evidence for precision medicine.