In life, many parents do not understand why their babies suffer from hemangioma. In particular, some parents and friends wonder why their children have hemangioma. Hemangioma is a common congenital vascular disease, and the question of “What are the causes of hemangioma? Such a question has been controversial in the medical field. However, it can be confirmed from years of clinical data that hemangioma is mostly related to genetic, environmental, dietary and traumatic factors. The following are the common causes of hemangioma: 1, the impact of the diet environment: with the improvement of living standards, people’s eating habits and living environment has changed a lot, which led to the occurrence of hemangioma. For example, in life we often eat artificially farmed seafood and meat, but artificial feed may contain many hormones, or long-term use of contraceptives, or long-term living in places with a lot of radiation and serious pollution, can lead to the disease. 2.Trauma: There are two causes of hemangioma due to trauma: one is the vascular malformation caused by trauma, and the other is that the child suffers from the disease itself, but the symptoms only manifest after the stimulation of trauma. 3, genetic factors: infant hemangioma has a certain degree of heredity, it is a congenital benign tumor or vascular malformation, although hemangioma is a benign lesion, but serious even lead to facial deformity, so after birth, if found to have hemangioma should promptly seek medical attention, for the baby hemangioma condition for effective treatment. 4. Vascular tissue differentiation: During the development of human embryo, especially in the early vascular tissue differentiation stage, the small misconfiguration of its control gene segment leads to abnormal tissue differentiation in specific parts of the embryo. and eventually form hemangiomas.