What are the benefits of dredging meridians?

Meridian is the channel through which human body runs qi and blood, connects viscera, body, viscera and orifices, and communicates inside and outside. Meridian runs through the whole body, forming a meridian system through regular circulation and extensive contact and intersection, connecting the internal organs, limbs, viscera, orifices and bones and muscles of the body into an organic whole. After the channels and collaterals are dredged, they can communicate with zang-fu organs from the outside to the inside; Qi and blood flow to nourish viscera and tissues; Induction conduction and balance adjustment. Meridian can explain pathological changes and guide the diagnosis of diseases.