Hello,
First of all, identify the main reason of white spot on tongue. Generally,
yeast infection is one of the common reason of white spot on tongue. Due to this infection you may feel burning in your tongue. To prevent this, use spices with antifungal properties such as garlic, sage, cinnamon, etc. Also try to avoid yeasty food like alcohol and sugar.
Note: To get fast and better recovery, you can meet your doctor.