A two principles for su jok therapy are..

A first as projecting on wrist and feet, and head is for big finger, and body for palm and heel, and legs are for third and four fingers for wrists and feet, hands are for second and fifth fingers for wrists and feet.And to put a wrist for palm to the front and here are points finding,and second is direction finger for right wrist, and fifth is a small finger for left wrist is for right hand, third is middle finger for right wrist and four is non name of left wrist is for right leg.

Four is non name finger for right wrist, and third is direction for finger a left wrist is for left hand,and a high for palm on a base a big finger is for breast cell, and palm is for the belly s side.
Feets zones are for parts body, as and wrists zones.

A second principles are yin yang as a life with harmony,and correlation in organism to find with a doctor, if it is not using,thus disordering from a base cure .And back surface body is yan surface,as external surfaces of legs, spine, buttocks, head back side,and back side projecting on back surfaces  a wrists and feet,therefore headaches, spine aches,shoulder aches and kidneys to cure with influence on a back of wrists and feet.
Internal as front body surface is yin surface,as for heels, palms, and influence on theirs will cure a heart, liver, urinary bladder and other internal organs cure.
Su jok therapy effectively when damage localized in small body part, in joint, organ, and if point influence found right, thus ache will remove,as a smooth for energy current in organism influences. When zone had found with match to press on her, or with a thing for thermal culture, and here to find a few ache points, and influence on every point till 5 minutes, and sometimes an improve will happen a very faster. And in chronic damage a one time influence on point is enough, and every 4 hours to press on points for 5 minutes, as every day,and till improving.