Numbness of fingers during running may be caused by many reasons, including blocked blood circulation of hands during running, cervical spondylosis, cerebrovascular diseases and so on. Here are some ways to relieve finger numbness:

1. Massage: Hand massage after running is helpful to improve blood circulation and relieve the symptoms of finger numbness.

2. Hot compress: You can use a hot towel to hot compress your hands, which will help promote blood circulation and relieve finger numbness.

3. Stretching: Stretching can help relax muscles and relieve finger numbness.

4. Rest: If the symptoms of finger numbness last for a long time, it is recommended to rest and avoid continuing running.

5. Appropriate hydration: Replenishing water in time after running will help relieve the symptoms of finger numbness.

If the symptoms of finger numbness last for a long time or are accompanied by other symptoms, it is recommended to seek medical advice in time to eliminate possible disease risks.