The pain relief methods for the purple finger caught in the car door include physical therapy, the use of pain medication and surgery, etc. The pain relief methods include physical therapy, the use of pain medication and surgery, etc. 1. Physical therapy: patients with purple fingers caught in car doors can apply cold compresses locally within 72 hours to reduce local oozing and local swelling, and hot compresses after 72 hours to promote the absorption of oozing and reduce local swelling in order to relieve pain. 2. The use of pain medication: pain is more obvious, you can follow the doctor’s instructions oral pain medication, such as ibuprofen, diclofenac sodium and other pain relief symptoms. 3. Surgery: the fingertip is purple by the car door clip also need to go to the hospital for further examination to clarify the injury. If in addition to soft tissue contusion, there are also bone, tendon, nerve and other injuries, need further surgical treatment, meet the surgical indications of timely surgical treatment. Fingertips by the car door pinched purple, to check the function of the fingers, if the activity is unfavorable or can not be active, it is recommended to consult a doctor in time to clarify the injury and then do the treatment.