The symptoms of soreness and swelling in the right side of the lumbar region in men are common for the following reasons: First, lumbar muscle strain, for patients who have been bending over for a long time, or patients with poor recovery after acute injury, can lead to congestion, edema and inflammatory reactions in the lumbar muscles, and sterile inflammation in the local fascia, resulting in symptoms of soreness and swelling in the right side of the lumbar region. Second, it can be seen in lumbar spine diseases, including degeneration of the lumbar spine, lumbar disc herniation, and slippage of the lumbar vertebral body, all of which can lead to compression of the lumbar local nerve roots and produce nerve irritation and soreness. Third, visible in kidney disease, such as the right kidney stones, kidney infection, will produce the corresponding symptoms of acidity and swelling. Four, the male waist is badly stimulated is also a relatively common cause, such as sleep when the right side of the waist is cold, or sleep to take the right side of the bed, in the bed is relatively soft, the right side of the waist lack of support, resulting in bad factors stimulating the soreness of the feeling.