You can sprinkle baking soda on the carpet, not too thick, but evenly. Just use a vacuum cleaner to absorb baking soda the next morning. Baking soda can absorb moisture from the carpet and eliminate the smell of food residue or pets. The effect is very good. If you want to make the carpet smell better, you can sprinkle some cheap tea powder after cleaning, and do the same. Deodorization can be done once every two weeks, which can keep the carpet free of odor;

2, white vinegar removal method:

Pour an appropriate amount of vinegar into warm water at the ratio of 1: 1, then put the towel into the water and wring it out, wipe the carpet from beginning to end, and then put it in a ventilated place to air dry naturally. This method can not only eliminate the odor of pets and carpets after long-term use, but also prevent the carpets from fading and discoloring.

3, mildew removal method:

If the carpet smells musty, it's probably because the room is too humid. Eliminating the musty smell alone will not solve the problem, because the mold spores will continue to grow. Need to reduce indoor humidity. Turn on the exhaust fan or open the window when taking a bath, and use the wet and dry dust suction machine to absorb excess water from the carpet to limit the growth of mold.