The study focuses on polyherbal anti-diabetic extracts from different plants that are used at different doses to manage type 2 diabetes mellitus. The effectiveness, safety, affordability, ubiquity, and acceptance of ayurvedic treatments have directed to their widespread acceptance. Throughout world, long utilization of polyherbal remedies to treat diabetes because they contain glycosides, alkaloids, flavonoids, and other chemicals with distinct modes of action. This study was conducted on diabetic rats induced with streptozotocin (STZ) to examine the antidiabetic and haematological effect of polyherbal formulation (PHF) .