To prevent sports injuries in sports activities, you must do the following: 1, must do a good warm-up exercise and joint activities, ligament stretching, such as the joints of the limbs must be fully active, stretching the muscles and ligaments of the limbs, especially do not ignore the activities of the spine, the cervical and lumbar spine must be appropriate flexion and extension, rotation, lateral bending, etc., are active; 2, if there is a local joint strain or pain, it is best to wear protective gear during exercise, such as wearing knee pads or elbow pads; 3, the cold weather must do a good job of limb warming, wear long-sleeved clothes and pants.