The causes of pain in the little finger of the right hand include trauma, cervical intervertebral disc herniation, carpal tunnel syndrome and so on. 1. Trauma: If the patient’s right hand is impacted, squeezed and other traumatic factors, resulting in soft tissue contusion or fracture of the muscle and fascia of the right little finger, thus triggering the patient to experience pain in the right little finger. 2. Cervical disc herniation: If the patient suffers from cervical disc herniation, when the patient is overworked, the disc herniation will compress the peripheral nerves, so that the pain and soreness in the neck, shoulder, and back of the neck will be dispersed to the little finger of the right hand according to the distribution area of the nerve root, resulting in pain in the little finger of the right hand of the patient. 3. Carpal-ulnar canal syndrome: As the ulnar nerve passes through the carpal-ulnar canal and enters the patient’s hand, when the wrist is traumatized, it will trigger the nerve compression here, causing pain in the patient’s right little finger. If the patient has pain in the right little finger, it is recommended that the patient go to the hospital in a timely manner to complete the relevant examinations, to clarify the cause of the disease, and follow the doctor’s instructions for treatment.