Nails grow fast may be a personal endocrine problems, not endocrine disorders and other related diseases, but may be a normal physiological phenomenon, because everyone’s growth environment is not the same, so the fingernails grow a little faster, slower are normal. Body calcium is too sufficient, will also lead to fingernail growth too fast, if the body lack of calcium, will cause fingernail growth too slow, may often use nail tools to repair fingernails, will also promote the growth of fingernails. All of the above is the reason why the fingernail grows fast, in addition, it may also be due to the blood circulation is too fast due to sufficient qi and blood, and lead to the peripheral circulation of nutrient-rich, thus accelerating the growth of the fingernail, provide abundant resources and nutrition, rich fingernail nourishing raw materials.