The following table summarizes mouth and lip characteristics and associations:
| Mouth/lip description | Association | |
| Simple lip, equal in proportion |  |
Fewest of digestive problems. They tend to have really great constitutions and can eat anything. |
| Fussy lip, Batman lips |  |
More trouble digesting |
| Small upper lip |  |
Carbohydrates Okay |
| Corners turn down |  |
Makes digestion unhappy. Liver Chi stagnation. W.Le. Vata, stress. P.D.L. |
| Drooping |  |
Lyme disease, palsy, forceps birth |
| Cracks and dryness |  |
B-vitamin deficiency, fatty acid deficiency , yin deficiency, irritation, dryness D.W. |
| Cracks or ulcers at corners |  |
Vitamin B2 deficiency. Ulcerative colitis |
| Central crack down the center |  |
Irritation from gastric juices |
| Chapped lower lip |  |
Lack of spleen and pancreas function |
| Mouth open all the time |  |
Poor digestion, sinus blockage, swollen tissues. People who always have their mouth open usually have poor digestion from swallowing a lot of air with food and while talking. |
| Dark outlining of the lips |  |
Excess melanin production, hormonal imbalance. Pineal gland. |
| Dry cracked lips, coated tongue |  |
Stagnant heat, fermenting |
| Inside lips blue Inside lips angry red |
 |
Lack of oxygen to center High blood pressure, ulcer, cardiac issue, gastritis W.Le. |