According to the national standard GB 18580-2017:"Indoor decorating and refurbishing materials-Limit of formaldehyde of wood-based panels and finishing products", formaldehyde emissions from samples of engineered wood flooring and laminate flooring for ground with heating systems were measured using 1 m3-chamber method at 23 ℃, 30 ℃ and 35 ℃, respectively. Results showed: 1) with temperatures rising, formaldehyde emissions from wood-based flooring increased; 2) the samples with less than 0.06 mg/m3 of formaldehyde emissions at 23 ℃ released less than 0.124 mg/m3 formaldehyde emissions at temperature 30 ℃, which met the requirements of GB 18580-2017. Therefore, it was suggested that specification of formaldehyde emission limit for wood-based flooring for ground with heating systems be revised to less than 0.06 mg/m3 at 23 ℃.