First of all, the moldy and moldy are stored separately to prevent influence. Then directly throw away the rotten, not serious to remove the moldy place can continue to eat quickly, to avoid waste.

Note: If it turns black after cleaning, it means it is contaminated by bacteria. Continue to disassemble more parts until it is normal.

If a large amount needs to be treated, it can be dried into dried sweet potatoes. It will not deteriorate after being stored for nearly one year.

Good luck!