Kittens or cats with weak resistance may become poisoned after smelling mosquito coils for one night. If the concentration of mosquito coils is not high and the cat’s physical condition is relatively good, it may take about a week to become poisoned. It depends on the actual condition of the cat. , so it is best not to use mosquito coils for cats at home. You can use mosquito nets, electric mosquito swatters, catnip, screens, mosquito repellent lamps and other methods to repel mosquitoes to avoid harming cats.