Foodoo licking his feet every day may be caused by fungal infection, inflammation between toes, athlete's foot, or lack of trace elements. First, check whether there are any abnormalities in the dog's foot pads, such as scabs and dander. , redness and swelling, etc. If you have these symptoms, you can apply anti-inflammatory ointment and anti-fungal ointment to the dog. If there are no abnormalities, you need to supplement the dog with trace elements.