The hazards of capillary hemangioma are related to the growth site and other conditions, and the common hazards include affecting the patient’s aesthetic appearance, affecting the function of organs, and affecting the development. 1. Affecting patients’ aesthetic appearance: if capillary hemangioma grows on the face, manifested as deep red plaque, without timely treatment, it will cause local bleeding or ulceration, which will directly affect the appearance, and in serious cases, it may also lead to loss of self-confidence of the patients, affecting the mental health. 2. Affecting organ function: if capillary hemangioma grows on some important organs, such as in the eyelid area, it may affect normal vision. 3. Affecting development: if capillary hemangioma grows in the bone area, it is very likely to affect the normal growth and development of bones, and in serious cases, it may lead to bone deformity. To sum up, capillary hemangioma has more harms and needs timely medical treatment to avoid worse effects.