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LAMOST J202629.80+423652.0 has been recently classified as a new symbioticstar containing a long-period Mira, surrounded by dust (D-type) and displayingin the optical spectra high ionization emission lines, including theRaman-scattered OVI at 6825 Ang. We have observed LAMOST J202629.80+423652.0photometrically in the BVRI bands and spectroscopically over the 3500-8000 Angrange. We have found it to be a normal G8IV sub-giant star, deprived of anyemission line in its spectrum, and reddened by E(B-V)=0.35 mag. Combining ourphotometry with data from all-sky patrol surveys, we find LAMOSTJ202629.80+423652.0 to be non variable, so not pulsating as a Mira. We havecompiled from existing sources its spectral energy distribution, extending wellinto the mid-Infrared, and found it completely dominated by the G8IVphotospheric stellar emission, without any sign of circumstellar dust. Wetherefore conclude that LAMOST J202629.80+423652.0 is not a symbiotic star, norit is pulsating or been enshrouded in dust.