After the mercury thermometer is broken, the first thing to do is to observe whether there is any skin damage, if there is no skin damage then you don’t need to worry too much, just deal with the scattered mercury. If the thermometer is broken, you should first check whether the skin and mucous membranes are broken. If there is no skin damage, you do not have to worry too much, because the mercury thermometer inside the mercury is a single mercury belongs to the inorganic substances, its chemical properties are not active. Once the thermometer is broken, the mercury will enter the body in the form of vapor through the respiratory tract, the intact skin is basically not absorbed, and the digestive tract absorbs very little. So as long as there is no skin breakage, mercury is not harmful to the human body. But at this time you need to deal with the scattered mercury in a timely manner, turn off the indoor heating device, pay attention to open windows and ventilation, reduce the volatilization of mercury. At the same time, broken thermometers and scattered mercury should be collected in a timely manner and disposed of as hazardous waste. Take care of children at home to prevent them from touching, touching or even ingesting the scattered mercury as toys.