How to prevent the washing machine appear odor?

The most important thing is to keep the washing machine barrel cleaning, drying, bacteria nowhere to hide.
Practices are as follows:
Usual, each time after washing clothes, do not immediately close the washing machine lid, and let the inner barrel dry naturally;
Small bag to collect crushing hairs in the washing machine should promptly clean up, the best each washing clothes after they put it out to rinse, dry, and do not accumulate a lot of dirt after cleaning up, because that will breed bacteria.