《伤寒论·辨可发汗脉证并治》
大凡发汗，最好须让病人手足及全身都有汗，并当微微汗出，维持个小时左右。
凡发汗，欲令手足俱周，时出以然，一时间许，亦佳。
In general, when inducing sweating, it is best to make the patient sweat from the hands, feet, and whole body, and to maintain the sweat for about an hour.