Select Y and YEr columns of values (or subranges from Y and YEr columns). If there is an associated X column, X column supplies X values; otherwise, sampling interval of the Y column or row number is used.
Select required data.
From the menu, choose Plot > 2D: Scatter: Error Band.
ERRORBAND.OTP (installed to the Origin program folder).
If you want to plot different upper and lower error bands, prepare two columns for YEr+ and YEr-, respectively. Highlight all Y, YEr+ and YEr- columns and create a error band graph. Double click on the plot to open the Plot Details dialog. Select the error band plot on the left, and activate the Error Bar tab on the right. Select Plus or Minus in the Direction group.