Mercury thermometer in the mercury content is small, broken is generally not poisoned. Mercury thermometer in the harmful substances is mercury in mercury, generally in a large number of inhalation of mercury vapor will appear after acute poisoning, and mercury thermometer in the mercury content is less, even if a small amount of mercury evaporation into the human respiratory tract or contact with the human skin, generally will not cause poisoning phenomenon. After the mercury thermometer is broken, you need to open the window in time to ventilate the room, wear gloves and collect the scattered mercury in an airtight container, or use tape to stick the mercury on the ground, and put the container containing mercury into a hazardous waste garbage can after sealing it well. Mercury thermometer broken is generally not poisoned, timely disposal, open windows and ventilation can be.