Biosorption of heavy metals by moulds was regarded as a effective method for treating heavy metal wastewater. In this review, biosorption of heavy metal wastewater was reviewed, including analyzing the characteristics and hazards of heavy metals in wastewater pollution, advantages and disadvantages of wastewater treatment methods, the adsorption properties of different molds, the factors that affect fungal adsorption of heavy metals and the mechanism of fungal adsorption of heavy metals.