The heavier the crack in the tongue, the more deficient the spleen and stomach, and the four common types of spleen deficiency can be seen clearly with reference to the tongue The heavier the crack in the tongue, the more deficient the spleen and stomach, and the four common types of spleen deficiency can be seen clearly with reference to the tongue The heavier the crack in the tongue, the more deficient the spleen and stomach, and the four common types of spleen deficiency can be seen clearly with reference to the tongue The heavier the crack in the tongue, the more deficient the spleen and stomach, and the four common types of spleen deficiency can be seen clearly with reference to the tongue