Mugwort ash has some hemostatic effect, and can be used to treat nosebleeds, eye redness and swelling pain, and yellow water sores. Mugwort ash refers to the burnt ash of the leaves of the plant Mugwort, family Asteraceae. Mugwort ash can be used to treat eye redness, swelling and pain, nosebleeds, yellow water sores, and so on. According to Hygiene Easy Simplified Formula, half a tael of mugwort ash and half a tael of yellow dock are stirred well and decocted for the treatment of swollen and painful eyes. In Surgery Qixuan, it is written that the ashes of mugwort are burnt and mixed with alum, which can be used to treat xanthous sores. Yang’s family collection formula” records nosebleeds, can take the wormwood ash blowing nose to stop bleeding. Feeling unwell, it is recommended to go to the hospital in a timely manner, the use of wormwood ash adverse reactions and contraindications are not clear, need to be guided by a professional physician.