The next advance is to the Human Department, which is the middle 1/3 depth of the acupoint. Insertion, extraction, and rotation are as before;
Then advance to the Earth Department, the lower 1/3 depth of the acupoint, with the same procedure as before; then withdraw from the Earth Department to the Celestial Department once, which completes one round.
Repeat three rounds. If heat arrives, remove the needle and rub to close the acupoint; if there is no sensation of heat, the needle can be manipulated repeatedly until the patient feels a sense of heat."
Zhou Jiande nodded seriously, seeming to think, as if trying to memorize what Lu Xuan had said in his mind.
