After the nail cap is removed, the nail will usually grow gradually for about 1 month after the wound heals. In general, it takes 3 to 6 months to grow completely. The average rate of nail growth is about 3.5 millimeters per month. After the nail cap is removed, the nail will grow gradually after the wound heals, usually about 1 month. It takes 3~6 months for the nails to grow out completely. Meanwhile, it is important to protect the nail bed to prevent infection. Damage to the nail bed may result in deformity of the nail or affect the growth of the nail. The rate of nail growth can be affected by age, gender, season, level of physical activity, diet and other factors. A diet rich in vitamin A, vitamin D, calcium, vitamin B12, protein and other nutrients is recommended. It helps to speed up the rate of nail growth.