Lateral heel pain may be caused by trauma, soft tissue aseptic inflammation, local infection, lumbar disc herniation and other reasons. 1. Trauma: heel bone fracture, blunt contusion of soft tissues caused by collision, smashing, falling and other traumatic injuries can occur lateral heel pain. 2. Soft tissue aseptic inflammation: chronic strain caused by long-term weight-bearing walking and other chronic strain caused by aseptic inflammation of tendons, fascia and other tissues, such as plantar fasciitis, tendonitis, can cause lateral heel pain. 3. Localized infection: The infection of lateral heel due to bacteria, fungi and other pathogens can cause local redness, swelling, heat, pain and other symptoms. 4. Lumbar intervertebral disc herniation: commonly seen in lumbar degenerative diseases such as lumbar 5 sacral 1 disc herniation caused by sacral 1 nerve root compression, may appear lateral heel pain, numbness and other symptoms. Lateral heel pain may also have other causes, it is recommended to go to the hospital in time to improve the relevant examination, to clarify the cause of the disease after further treatment.