The reason for the soreness of the calf stomach when walking is more likely to be the following. 1. related to inflammation. If there is inflammation in the soft tissues around the calf, it will cause the patient to aggravate the edema and congestion around the soft tissues when walking, resulting in soreness and swelling. Patients can be properly fixed calves, anti-inflammatory treatment in the swelling, later can be appropriate calf physical exercise. 2, and kidney deficiency related. Kidney deficiency can cause the patient’s legs to be heavy and unable to move forward, causing soreness and swelling due to the lack of blood flow. Patients can usually take the appropriate kidney medicine under the guidance of the doctor.