After a finger tendon rupture, the tendon needs to be surgically sutured and protected with a cast for three weeks to one month before the ruptured tendon can gradually heal, at which time the cast can be removed for functional rehabilitation exercises for straightening and bending of the joints of the finger. At first, it is difficult to use the other hand to help you to straighten and bend the joints to the maximum and gradually. After this part of the activity has recovered to a certain extent, you can buy a grip device to do fist clenching and fist spreading functional rehabilitation exercises. In addition to the activities subjected to gravity, other normal daily life should use the injured finger more often, in the range of activities of daily life is also a good functional rehabilitation exercise. Particularly obvious can first use hot water soak is conducive to relaxation of the tendons and blood, the exercise effect can be better.