The causes of soreness and swelling in the legs and stomach are as follows: 1, the leg muscles, fascia, ligament strain and cold, etc., can easily lead to soreness and swelling in the legs and stomach. 2, after the injury of the leg muscles, the recovery is not complete, and the soreness and swelling in the legs and stomach is easily left in the later stage. 3, patients with intermuscular vein thrombosis in the calf, also easy to have soreness and swelling in the legs and stomach. 4, the knee joint Degenerative osteoarthritis or damage to the posterior horn of the meniscus of the knee joint may also cause soreness in the legs and stomach. Therefore, after a patient has a sore leg and stomach, it is important to consult a doctor to identify the cause and treat the cause to promote the recovery of the sore leg and stomach symptoms. In case of sore legs and stomach, it is important to avoid standing for a long time and avoid repeated squatting and running and jumping activities to avoid aggravating the symptoms.