Species of the family Helotidae are reviewed. Five known species are recognized: Neohelota helleri (Ritsema, 1911), N. montana (Ohta, 1929), N. sonani (Ohta, 1929), N. taiwana (Ohta, 1929), and Helota thoracica Ritsema (1895). Four species are new to science: Neohelota babai sp. nov., N. chunlini sp. nov., N. lini sp. nov., and N. similis sp. nov. Helota oberthueri Ritsema (1889), Metahelota semifulva (Ritsema, 1881), and Helota sinensis Oliff (1883) are attributed to the ”Shiraki specimens” and removed from the Taiwanese fauna.