What does the semi-sun shape on the thumb nail represent?

The sun-the little sun in the nail health circle is a half moon with white nails, which is called the half moon, also called the health circle. Generally speaking, the 1/5 of the whole nail is the best state, and it is not normal to be too big, too small or fuzzy. People over half a month are prone to high blood pressure and stroke; If the first month and a half is too small, it means that the blood pressure is too low. Most people who can't see the half-moon nails at all have symptoms of anemia or neurasthenia. At the same time, the color of the half-moon nails is milky white. Blue, suggesting that there is a problem with the respiratory system and it is easy to suffer from cardiovascular disease; Blue is a sign of poor blood circulation; Redness equals heart failure. Note that there is no small sun before the child develops. Adults have too much sex in nightlife, and the little sun may disappear. Small sun and five-finger thumb: connecting spleen and lung. When it is pink, it means that the pancreas is dysfunctional, prone to fatigue, repeated colds and, in severe cases, prone to diabetes. Index finger: connected with the stomach. When it is pink, it means that the circulation of the stomach and large intestine is not smooth and the appetite will decrease. Middle finger: connecting pericardium meridian and mind. When it is pink, it means that the spirit is over-stressed, and it is easy to get dizzy, headache, insomnia and dreaminess. Ring finger: related to endocrine. Pink represents physical decline, and women are prone to gynecological diseases such as irregular menstruation. Little finger: Guanlianxin kidney. It is generally difficult for the little finger to grow a small sun, and most of them have a fever when they appear. When it is pink, it is easy to suffer from serious heart disease.