Abstract:Most serious threat to herbarium sheets is insect pest, the protection and control of which constitute one of the main works in herbarium management. Based on the experience for over 70 years of the management in the Herbarium of South China Institute of Botany and the improved technique for prevention of insect damage in recent years, some methods for herbarium pest control are proposed, such as using insect repellants, decontamination by deep freezing, fumigation with pesticides, and others.