将=IF('Sheet1'!C10="Sheet2",Sheet2!B3:B1000,IF('Sheet1'!C10="Sheet3",Sheet3!B3:B1000,IF('Sheet1'!C10="Sheet4",Sheet4!B3:B1000,IF('Sheet1'!C10="Sheet5",Sheet5!B3:B1000,""))))改为:=INDIRECT('Sheet1'!$C$10&"!B3:B1000")试下。