Face frostbite is caused by staying in a cold environment for a long time, causing facial redness, swelling, pain, itching and discomfort, and in severe cases, facial erosion and exudation, affecting normal life. Experts pointed out that the course of facial frostbite is relatively long, it is not only itchy at the onset, but also seriously affects our overall appearance, so patients must clearly know what factors cause facial frostbite, so as to prevent the occurrence of facial frostbite in a timely manner. Causes of face frostbite: The main cause of face frostbite is prolonged exposure of the human body to an environment below 0°C. Frostbite is a disease caused by cold. And frostbite is a cold-induced terminal limited inflammatory skin disease, is a common winter disease, to the exposed parts of the congestive edema erythema, when the temperature is high skin itching as a feature, serious cases may appear affected skin erosion, ulcers and other phenomena! Therefore, face frostbite is mainly due to the cold attack on the human face, causing local blood stagnation and skin muscle damage. In other words, face frostbite can also be considered as second-degree frostbite. The so-called second-degree frostbite is characterized by obvious congestion, edema and blisters with clear, bright blistering fluid. The lesions can heal, but there can be long-term sensory neuropathy, often accompanied by significant cold hypersensitivity, which can leave scars if it occurs on the face, or what we call facial frostbite scars.