You can tell a lot from your face. Lip color indicates heart function, and ruddy and shiny indicates good heart. The nose indicates the function of the lung, and poor nasal congestion indicates lung qi deficiency. The eyes indicate liver function. If the vision is blurred, the liver should be supplemented. Circles of skin around the lips suggest the function of the spleen, which is called four white lips in Chinese medicine. If it turns yellow, it means spleen deficiency. Chin and orbit can indicate renal function. If it is black, it indicates kidney deficiency.
Hair, nails, bones and muscles suggest renal function, and low back pain is likely to be related to kidney. Yellow skin, weakness, diarrhea, etc. It may be related to the spleen. Hearing is related to the liver, and smell is related to the lungs.