Scalp breakage is commonly caused by trauma, scalp folliculitis, etc. Whether hair can grow after scalp breakage mainly depends on the condition of the hair follicles, if the hair follicles are not damaged, then hair will grow, on the contrary, it will affect the growth of normal hair. The ability to grow hair after a scalp break depends on whether the hair follicles are damaged. If the scalp is slightly damaged without affecting the hair follicles, the hair can grow normally. However, if the scalp is severely damaged, causing dermal damage and leading to the destruction of hair follicle tissue, even after the wound has healed, because the hair follicles have been necrotic, then there is no way to continue to grow hair. After the head injury, you need to seek medical treatment for the wound, and also pay attention to keep the wound clean and dry, do not contact with water, so as to avoid bacterial infection. If the hair follicles are damaged, the symptoms can also be improved by hair transplantation. It is recommended that patients with broken scalp should actively seek medical treatment, choose the treatment according to the doctor’s instructions, and usually pay attention to the protection work to avoid head injuries.