Running under the calf especially painful, mostly due to muscle or Achilles tendon strains, can be relieved through bed rest, local physical therapy and drug treatment and other methods. 1. bed rest: this kind of symptom is mostly caused by muscle strain when running, you need to stop exercising and lie down in bed, so that the local muscles can be fully relaxed, which will help to alleviate the symptom. 2. Local physical therapy: Appropriate cold compresses can be applied in the acute stage, and after the acute stage, pay attention to local warmth to prevent further aggravation of symptoms due to cold, improve blood circulation in the affected area through hot compresses, and also relieve symptoms through ultrasonic physical therapy and intermediate frequency. 3. Medication: If the symptoms continue to be unrelieved, non-steroidal analgesics can be taken orally, such as ibuprofen, celecoxib and so on. It is recommended to consult a doctor in time after the symptoms appear, make a clear diagnosis, and carry out medication and other treatments under the guidance of a professional physician.