Wash feet daily with soap and water
Dry feet thoroughly, especially between the toes
Change socks daily, or more often if sweaty
Wear moisture-wicking socks
Rotate shoes and let them air out between wears
Use foot powder or antiperspirant on feet
Choose breathable shoes
Avoid wearing the same shoes every day
Soak feet in vinegar or Epsom salt occasionally
Trim toenails and keep feet clean
Use odor-fighting insoles
Replace old shoes and insoles if they retain odor
See a doctor if sweating or odor is severe or persistent