5 Phase/Element Points
These points ascribe each of the five elements - wood, fire, metal, earth and water - to each one of the five transporting points.
All the jing well points are associated with wood. The ying spring points are related to fire. All of the jing river points are associated with metal. The shu stream points are associated with earth. The he sea points are all related to the element of water.
The above relationships are relevant for the yin channels only. For the yang channels it is different.The jing well points are associated with metal. The ying spring points are related to water. The jing river points are associated with the element of fire and the shu stream points are related to wood. All the he sea points are earth related.