Twenty-two species of Myxomycetes distributing in the families of Reticulariaceae, Trichiaceae, Didymiaceae，and Physaraceae are reported from Taiwan. Ten of them are new to Taiwan, they are: Lycogala conicum Persoon, Hewitrichia calyculata (Speg.) Farr, Trichia scabra Rost., Diderma platycarpum Nann.-Brem., Didymium ovoideum Nann.-Brem., A serpula Fries, D. verrucosporum Welden, Physarum bivalve Pers., P. sessile Brandza, P. straminipes A. Lister. Fructifications were collected mostly from the field and on the leaf litter or other plant debris. Only four specimens were collected from the moist-chamber development, and they are all rare species and new to Taiwan.