A broken wrist requires medical attention so it can heal properly. If you aren’t experiencing a lot of pain, you can wait until you’re able to see your regular physician. If you have any of the following symptoms, you should seek emergency medical attention:  Significant pain or swelling Numbness in the wrist, hand, or fingers A deformed appearance of the wrist, looking crooked or bent An open fracture (where the broken bone has pierced through the skin) Pale fingers Most broken wrists are treated first with a splint, which is a rigid piece of plastic, fiberglass or metal attached to the wrist with bandages or a brace. This is usually used for a week, until the swelling reduces.  After the initial swelling has gone down, a plaster or fiberglass cast is usually placed after a few days or a week.  You may need a second cast after 2-3 weeks, if the swelling goes down further and the first cast becomes too loose. Most broken wrists heal within 6-8 weeks with proper treatment. This means you will probably have a cast for most of that time. Your doctor will usually conduct regular x-rays through this period to make sure your wrist is healing correctly. After your cast comes off, you may be referred to a physical therapist. Physical therapy can help you regain the strength and motion that you lost after your injury. If you don’t need formal physical therapy, your doctor will probably give you exercises to do at home. Make sure you follow your doctor’s recommendations to help your wrist return to its full functioning.

TL;DR in Chinese:
看医生。 了解治疗过程。 等上6到8周。 拆了石膏之后，你可能还需要看看理疗师。