After playing ball, the discomfort of back pain after exercise may be a slight sprain or muscle strain in the waist during exercise. If the pain is not very serious, you can rest in bed for 2-3 days, while local creams, such as Flurbiprofen Babu cream, can also be applied Fotonin treatment, while you can cooperate with heat compresses and massage and other physical therapy. If the local pain is more obvious, it is best to routinely improve the x-ray examination to see if there is a fracture caused by the situation. If the pain affects the rest, you can take oral painkillers, such as lofenestine extended-release tablets, etc. For non-serious strains, recovery is usually possible in about a week. If it is a serious strain such as interspinous ligament, sometimes it takes 3-4 weeks to recover completely, avoid premature movement and repeated bending.