Management of a finger crushed to the point of purple swelling includes braking, elevation of the affected limb, cold and hot compresses, medication, and surgery. 1. Braking: when the finger is pressed to purple, first of all, we should pay attention to rest, fix the affected finger and brake it. 2. Elevate the affected limb: Elevate the affected limb which is pressed purple, which is conducive to the return of blood flow and reduce the bruising and swelling. 3. Cold compresses and hot compresses: cold compresses within 72 hours can constrict blood vessels and reduce bleeding and swelling; hot compresses after 72 hours can promote blood circulation and reduce bruising. 4. Medication: When accompanied by infection, appropriate antibiotics such as amoxicillin can be chosen. 48 hours later, blood circulation activating and stasis removing medicines such as Bupleurum can be used to promote the spread of bruises. In the early stage of bruising, drugs such as safflower oil are not recommended and may aggravate bruising. 5. Surgery: If the bruised area gradually turns black, and the finger cannot be bent normally and cannot make some pointing movements, it means that there may be a fracture, and surgery is needed. If there is a finger squeeze to the purple swelling, it is recommended to go to the hospital in time to give targeted treatment or treatment, the above drugs are recommended to use under the guidance of a doctor.