Is fingernail having crescent good still not having crescent good

Fingernail crescent is good. Fingernail root white crescent part called half moon mark, commonly known as health circle, is whether the human body is energetic scale table, the more energetic half moon mark the whiter, the larger the area such as half moon mark reduction can supplement protein and black food, such as black rice, black fungus, etc., try to maintain physical strength to exercise properly. Generally speaking, there is no crescent or very small nail, may indicate that their digestion and absorption function is poor.