Is galangal hotter than dried ginger?

That's right. According to the data of Sanjiu Health Network, Alpinia officinarum is described as extremely hot in Nakata, and ordinary dried ginger is not as hot as Alpinia officinarum. Alpinia officinarum is the dried rhizome of Alpinia officinarum. Excavate in late summer and early autumn to remove fibrous roots and residual scales.