Running calf tightness and soreness may be related to calf muscle strain, poor venous return, fasciitis, etc., can be relieved by rest, hot compresses, massage, drugs and other ways. 1. Calf muscle strain: Running calf tightness and soreness may be caused by calf muscle strain, running before not doing a good job of warming up, running posture is incorrect, shoes are not suitable, running time is too long, etc. caused by muscle strain, you can rest, rest properly on the calf muscle stretching, proper massage of the calf, can help to alleviate the symptoms. 2. Poor venous return: running calf tightness and soreness may be poor venous return, running calf hypoxia, ischemia, venous blood back to the heart due to the reduction of the amount. At this time, you can rest, use hot water to soak your feet, and local massage. 3. Fasciitis: running calf tightness and soreness may also be the presence of long-term calf strain or old injury, running induced fasciitis. At this time, you need to rest more, and use ibuprofen extended-release capsules, celecoxib capsules. Running calf tightness and soreness and has not been better, it is recommended to go to the regular hospital in a timely manner.