The Building 0119 is On the Brink
A basin of hot water was placed on the chair, and Ye Qiu plunged the silver needles into the water, swiftly removing them in less than a second.
Shangguan Hong did not understand Ye Qiu's actions, and thought at the bottom of her heart that this was for disinfecting the needles, but that was not actually the case.
Ye Qiu had people bring a basin of moderately hot water, not merely to play tricks on the Shangguan family, but because he had his own reasoning.
Generally, while performing Hua Tuo's Thirty-six Needles, there is no need to use needles cooled by hot water, except for terminal patients, and the condition of the elderly Shangguan patriarch was much more serious than that of Mother Chu at that time.