Negative pressure device and methods thereof

A negative acupuncture pressure treatment method, for treating a disorder of a patient, comprising the steps of:

• a) selecting a plurality of acupoints associated with acupuncture treatment of a disorder,
• b) acupuncturing a hollow needle of an acupuncture device into subcutaneous connective tissue of a patient at a first acupoint of the plurality of acupoints,
• c) establishing, by means of a through hole of the hollow needle, a fluid channel between subcutaneous connective tissue and a vacuum pump of the acupuncture device exterior to the patient,
• d) establishing a negative pressure in the fluid channel for a predetermined period of time to ensure no air or drug enters the first acupoint, and
• e) repeating steps b-d at the other acupoints of the plurality of acupoints, respectively, so as dredge one or more meridians or collaterals of a body of the patient.