The pain in the hand caused by playing with the phone should be promptly rested and excessive hand activities should be stopped. If there is no obvious swelling in the painful area, you can use Haidongpi Tang or Xuanzhu Cao Tang for topical treatment, which can effectively relieve the painful symptoms in the hand, and topical treatment should be performed 2-3 times a day for about 20 minutes each time. If the pain is relatively severe, you can take oral ibuprofen extended-release capsules or loxoprofen sodium extended-release tablets, which can effectively reduce the symptoms of pain and relieve the inflammation of the hand caused by exertion. This can effectively relieve the pain in the hand. This condition usually requires about a week of treatment to relieve the symptoms, if the symptoms are more than a week, you need to go to a regular hospital to confirm the diagnosis before treatment.