Pain in the bunions can be caused by trauma, such as a bunion suddenly hitting something hard, which can cause pain in the bunion, and localized redness and swelling, which can be relieved by applying ice to the bunion. If the bunion does not recover or improve for a long time, you should go to the hospital in time for an examination. 2, bunion joint pain, may also be due to gouty arthritis, is a more serious disease, there will be swelling, pain, and even joint deformity serious consequences, you should wear a pair of comfortable loose shoes, try to keep the local skin dry and hygienic, can be properly disinfected. 3, foot bunion Joint pain, there may also be due to toe ectropion, need to be treated as soon as possible.