There is no epidemiological data of frontotemporal dementia (FTD) in China. The application of updated diagnostic criteria. publishing of frontotemporal lobar degeneration (FTLD) consensus in China. development of multimodal imaging and biomarkers promote the clinical understanding on behavioral variant frontotemporal dementia (bvFTD). https://www.parisnaturalfoodes.shop/product-category/dgl/