Yang deficiency constitution refers to a condition where the body’s organs and systems experience dysfunction, leading to insufficient yang energy, which in turn results in internal cold. This is often caused by congenital weakness, external cold invasion, excessive consumption of cold foods, or emotional stress. Traditional Chinese Medicine (TCM) tongue diagnosis can accurately identify the characteristics of a yang deficiency constitution, providing a foundation for subsequent treatment and care. 1. Symptoms of Yang Deficiency Constitution Yang deficiency constitution is most commonly caused by kidney yang insufficiency. The main symptoms include cold hands and feet year-round, a sensitivity to wind and cold (even avoiding fans or air conditioners in the summer), and frequent soreness in the waist and knees. Traditional Chinese Medicine (TCM) tongue diagnosis can be used to observe the tongue’s shape, color, and coating to further confirm the presence of yang deficiency and assess the level of insufficient yang…
Tongue color refers to the color of the tongue body. According to Traditional Chinese Medicine (TCM) tongue diagnosis theory, tongue color is generally categorized into pale, light red, red, deep red (crimson), purple, and blue. Essentially, it can be divided into two main groups: This classification method serves as the most fundamental and intuitive basis for observation in TCM tongue diagnosis. Why Can Tongue Color Indicate Disease? A normal tongue color is typically light red, as the tongue is a muscular organ containing myoglobin in its cytoplasm. Additionally, its connective tissue is rich in capillaries, ensuring an abundant blood supply. As revealed by TCM tongue diagnosis, the blood color is seen through the white, translucent mucous membrane of the tongue, appearing as a light red shade. When a person falls ill, changes occur in blood composition or concentration, or the tongue mucosal epithelium may thicken, proliferate, or atrophy, leading to…