Burning mugwort leaves at night to repel mosquitoes was an important cause of house fires in Longquan Mountain area  In recent years, though, the use of mugwort leaves to repel mosquitoes has decreased significantly
With the improvement of living standards, wood furniture and household appliances in the bedroom increase in recent years, once the fire, the fire is more violent than in the past
 However, the number of deaths caused by home fires has not decreased