The present invention relates to a novel broad-spectrum antifungal compound, a broad-spectrum antifungal composition, the compound or composition is applied and the compound or composition in the preparation of broad-spectrum antifungal agents used in the preparation of in the treatment of severe invasive aspergillosis infection and / or invasive candidiasis caused by fluconazole- resistant (including krusei) and / or severe infections of the drug by the foot actinomycetes and bacteria which caused the Fusarium applications. With a wide range of powerful anti-fungal activity, pharmacokinetic properties and its good safety of the invention.