In winter, the climate is dry and cold, accompanied by strong winds. Affected by the cold current in the north, the working surface and roads are frozen and slippery, which not only affects normal production, but also brings hidden dangers to safety. At the same time, due to construction needs, office dormitory heating, the use of open flames and other reasons, fire and poisoning accidents are prone to occur; In winter, people wear heavy clothes and are not sensitive to movements, which is prone to accidents. Therefore, safety education for employees should be strengthened: the contents of safety education for winter construction mainly include: (1) anti-freezing and anti-skid knowledge. Such as anti-icing and anti-skid safety knowledge of construction operation surface. (2) fire safety knowledge. Cause analysis of common fire accidents in construction site, measures to prevent fire accidents, correct use of fire fighting equipment, fire extinguishing methods, etc. (3) Knowledge of safe electricity use. Safe use knowledge of warm-up equipment in winter. (4) knowledge of poisoning prevention. Characteristics of toxic substances such as solid, liquid and volatile gas, identification of poisoning symptoms, safety knowledge of rescuing poisoned personnel, knowledge of preventing poisoning, etc.