Is it deficiency of kidney yang or deficiency of kidney yin? You can tell by looking at the tongue coating!

Whether it is kidney yang deficiency or kidney yin deficiency, it can be distinguished by some obvious symptoms. And in terms of treatment, the two types of kidney deficiency diseases also have different treatment methods. Today, I will teach you how to distinguish kidney yang deficiency from kidney yin deficiency by tongue coating.

(1) Small tongue: Kidney Yin deficiency

The tongue is thinner than a normal tongue, the tongue is silky red, redder than a normal tongue, and has no coating, which is a manifestation of kidney yin deficiency.

(2) Cracks on the tongue: Kidney Yang deficiency

The presence of cracks of varying lengths, depths, and shapes on the tongue surface is a manifestation of kidney yin deficiency.

(3) No tongue coating - Kidney Yin deficiency

The tongue has no coating and is as smooth as a mirror, which is a manifestation of severe kidney yin deficiency.

(4) Red tongue: Kidney Yin deficiency

The tongue is red, and the edges of the tongue coating are black and dry, even cracked, or has thorns. This is a manifestation of extreme heat evil and exhaustion of kidney yin, and is a critical symptom.

(5) Large tongue: Kidney Yang deficiency

The tongue is fatter than normal, tender and lighter than normal, has teeth marks on the edge, and has a white coating, which is a manifestation of kidney-yang deficiency.

(6) Pale tongue: Kidney Yang deficiency

A pale tongue with a black and slippery coating is a manifestation of kidney-yang deficiency and is a critical symptom.