Purification method of voriconazole

The invention discloses a purification method of voriconazole. The method comprises the following processes: adding voriconazole to be purified to an ether solvent; washing and starching; filtering; drying. According to the method, the production technology is stabilized; the production cost is decreased; the productivity is improved; the industrial production value is extremely high. 本发明公开了种伏立康唑的纯化方法，该方法包括以下过程：将需要纯化的伏立康唑加入醚类溶剂中，浆洗，过滤，烘干。本发明方法稳定了生产工艺，降低了生产成本，提高了产能，极具工业生产价值。