According to the different causes of swelling of the back of the hand, you can choose to elevate the affected limbs, cold compresses and hot compresses, drugs and other ways to reduce swelling. 1. Elevate the affected limbs: When the back of the hand is bruised and edematous due to trauma, you can elevate the affected limbs so that the back of the hand is higher than the level of the heart, which is conducive to promoting blood reflux and the absorption of edema, and accelerating the reduction of swelling. 2. Cold and hot compresses: due to trauma, arm compression caused by the swelling of the back of the hand, the early stage can be localized cold compresses. After the acute period can be changed to hot compresses, promote blood circulation, to achieve the effect of swelling. 3. Drugs: If the swelling of the back of the hand is caused by allergy, anti-allergy drugs such as loratadine should be used; inflammatory swelling can be used to reduce the aggregation of inflammatory metabolites such as celecoxib, clonoxicam, etc. to alleviate the symptoms. The swelling of the back of the hand caused by trauma can be used externally with safflower oil, Yunnan Baiyao aerosol and other drugs to promote blood circulation and reduce swelling as soon as possible. In addition, for venomous insect stings and snake bites, you should go to the hospital to be treated by a specialist, such as taking loratadine, cetirizine, Jidusheng snake tablets and other treatments. Therefore, after the swelling of the back of the hand, you should seek medical treatment as soon as possible, and the use of medication should be under the guidance of a specialized physician.