Periodic air sterilization: method of vinegar fumigation could be adopted, before fumigation, it is better to spay some water indoor;or evaporate the disinfectant solution after being diluted.

• 定期空气消毒:可行食醋熏蒸法；熏蒸前；最好在室内洒些水；或将消毒液稀释后再蒸发.