Quickly wipe off spills with a hard squeezed towel.

If you wipe the surface with a wet towel more than is necessary, you may damage it.
Vacuum along the weaves of the tatami.
It is strongly advised to wipe the entire tatami with a hard squeezed towel once a month.
When placing heavy or sharp objects, or furniture with casters, remember to lay padding on the tatami.
Do not drag furniture on the tatami.
The tatami may be restored to its original form by steaming light dents with a hot wet towel or a steam iron.
Periodically remove dust in the ridges and the underside in order to maintain the quality of the nonslip material. In addition to that, this will prevent it from biting the dust and damaging the floor.
If the front-side material, like the edges, starts to fray, use vinyl acetate adhesive or hotmelt adhesive in order to fix it.
Lightly apply the adhesive, and gently hold it with release paper.
If you get the adhesive glue of the Cut n' Place Tatami on the floor
Wipe the adhesive glue with a dry towel or wipe it off with natural cleaners.
Lightly apply the adhesive, and gently hold it with release paper.
If you get the adhesive glue of the Cut n' Place Tatami on the floor
Wipe the adhesive glue with a dry towel or wipe it off with natural cleaners.
If the nonslip material on the underside begins to peel off, iron that peeling section similar to how you will iron the wrinkles out of your pants. This will reapply the nonslip material onto the tatami.
Liquids
Water, tea, milk, coffee, alcohol, beer, whisky, juice, soy sauce, sauces, etc.
Paint thinner, benzene, Mercurochrome, ink, etc.
Paint thinner, benzene, Mercurochrome, ink, etc.
Wipe it off with a dry towel.

Gently rub off the stain. If you rub aggressively, the surface may become white. After wiping off the stain, improve airflow of the room and dry the tatami thoroughly.
Urine of babies or pets
Quickly apply powder detergent, baby powder, or flour to soak up the urine.
Next, carefully vacuum the powder.
Then wet a towel with lukewarm water, squeeze it hard, then wipe the tatami.
Furthermore, dry the tatami thoroughly with a dryer set to low temperature.
Finally, carefully wipe the tatami with a dry towel as a finishing touch.
Next, carefully vacuum the powder.
Then wet a towel with lukewarm water, squeeze it hard, then wipe the tatami.
Furthermore, dry the tatami thoroughly with a dryer set to low temperature.
Finally, carefully wipe the tatami with a dry towel as a finishing touch.
Oil stains
Cooking oil, dressing, ketchup, butter, mayonnaise, whip cream, etc.
Milky lotion, cosmetic cream, lipstick, etc.
Milky lotion, cosmetic cream, lipstick, etc.
Apply diluted neutral detergent to a towel and wipe the tatami after squeezing it hard.

Gently rub off the stain. (If there is neutral detergent left on the tatami it will ruin the water-repellant, so make sure to thoroughly wipe it off.)
After wiping off the stain, improve airflow of the room and dry the tatami thoroughly.
After wiping off the stain, improve airflow of the room and dry the tatami thoroughly.
Kerosene (paraffin)
Immediately wipe it off with tissue paper.
Markers and crayons
Apply a small amount of commercial crème cleanser onto a towel and carefully and patiently rub the stain off.
Then wet a towel with lukewarm water, squeeze it hard, then wipe the tatami.
Finally, carefully wipe the tatami with a dry towel as a finishing touch.
Then wet a towel with lukewarm water, squeeze it hard, then wipe the tatami.
Finally, carefully wipe the tatami with a dry towel as a finishing touch.
Powder
Flour, baby powder, powdered medicine, etc.
Vacuum the tatami along its weaves, then wipe it with a hard squeezed towel.

If it is a food spill, dilute commercial chlorine bleach twofold and apply it to the stain with a cotton swab; the stain will gradually disappear.

If you apply chlorine bleach to igusa or the edges, the tatami may change color or emit chlorine gas; only apply it to washi tatami.
Ventilate the room well when working.
Ventilate the room well when working.

Placing a steam iron or a hot steaming towel may ameliorate the dents or scratches, but it is essentially difficult to fix these damages so be careful not to dent or scratch the tatami.

If you steam iron the tatami for too long it may alter the color of the tatami, thus be very careful.

For minor burns, use sandpaper to rub off the burnt section, then use a small amount of commercial water-based acrylic coating of similar color to make it less noticeable.

Carefully wipe off the mold with diluted chlorine-free bleach or alcohol.

Do not use insecticides with nozzles, since it may melt the polystyrene foam under the tatami.