Huntington's disease( HD) is an autosomal dominant neurodegenerative disease,affecting mainly the middle-aged and old population. HD patients have choreatic movements,dementia and weight loss. Further,they show disturbance of glucose metabolism and even have diabetes mellitus. This article reviews glucose metabolic disturbance and its mechanism in HD. Mutant huntingtin( Htt) is widely distributed in neurons and peripheral tissues such as pancreatic islets,and causes cytotoxicity. The mechanism of glucose me...