1, white tongue, indicating deficiency of qi and blood, which is more common in malnutrition, anemia, excessive blood loss or parasitic diseases. A pale tongue means that Labrador pictures are extremely weak.
2, the tongue color is red, indicating blood diseases, more common in hot infectious diseases. Purple-red tongue is seen in the late stage of heat infection and intestinal volvulus.
3. Yellow tongue indicates damp-heat syndrome, and dark yellow is more common in chronic hepatitis. Orange is more common in acute hepatitis and blood parasitic diseases. The change of tongue color can provide reference for the initial diagnosis, and the diagnosis of diseases must be comprehensively diagnosed in the hospital.