[in Chinese with English abstract:] Lichens are symbiotic ecosystem of mostly ascomycetous fungi (mycobiont) and photosynthetic partners (photobiont) which are either green algae or cyanobacteria. Using cultured separated lichenized fungus Sarcogyne asciparva as material, sarcasciols A–H (1–8), eight new isoprenylated chromone derivatives have been isolated from scale-up culture. The structures of 1–8 were elucidated by mass spectra and nuclear magnetic resonance experiments. The absolute configuration of C-6 in 1 was assigned by application of the modified Mosher’s method. The antibacterial activity of compounds 1–8 was revalued by 96-well plate method. Key words: lichenized fungus, Sarcogyne asciparva, new chromones.