It is recommended that the owner first check and touch to see if there is any obvious trauma. If the French Bulldog feels pain when lightly touching the leg, it is probably a fracture or strain, and the owner needs to be sent to the hospital for examination and treatment; if there is no trauma or pain, it should be a French Bulldog. Dogs lack calcium and cause bone problems. Owners only need to continuously supplement calcium for their pets. At the same time, the effect will be faster when combined with sun exposure.