The swelling of the waist in men can be caused by muscle strain of the waist, myofasciitis of the back or degenerative changes of the lumbar spine, and is related to sedentary strain, cold and other factors. It can be judged by imaging examination, and it is clear that the patient needs to actively carry out treatment intervention after the condition is clear, including oral muscle relaxation drugs, drugs to improve microcirculation, or Chinese patent drugs with the function of promoting blood circulation and unblocking collaterals. Physical therapy of the waist can also be considered, such as acupuncture, massage, magnetic therapy, ultrasound, shock wave and other methods can also improve the curvature of the lumbar spine, promote local circulation, relax muscles and alleviate symptoms. You can consider wearing braces such as waist protector to protect your waist, which also has certain benefits.