Sudden back pain in men is as follows: 1. It can be seen in patients with kidney stones, which can easily lead to sudden back pain symptoms. 2. If men develop liver and gallbladder area diseases, such as cholecystitis, gallbladder stones, liver cysts, it can also easily lead to sudden back pain. 3. If men develop back muscle, fascia, ligament strains, it can also easily lead to sudden back pain. 4. If a man has bone degeneration or hyperplasia in his back, it may also lead to sudden back pain after activity. After the sudden appearance of back pain in men, it is important to consult a doctor to see what causes it, and treat the cause to promote the reduction of pain symptoms and recovery. In case of sudden back pain, it is important to rest in bed and avoid stress and activities on the back to avoid aggravating the pain.