Dry cleaners are the best way to iron sweaters with steam irons. If there is a hand washing sign, it means that warm water below 40℃ and special detergent can be used. Turn the inner layer of the clothes outward, soak them in enough melted detergent for five minutes, and gradually squeeze the clothes until they are soaked to avoid friction. Wash it with warm water first, then with cold water, and rinse it clean. Before washing the sweater, fold the loose sleeves and hem inward and buckle them, and then turn the sweater upside down for cleaning. When washing, put the sweater into the washing bag and then into the automatic washing machine. When washing, add some vinegar to warm water to prevent the clothes from being worn out. Sweaters should be dried by the dryer as little as possible, and it will take 30 seconds to 1 minute if necessary. The washed clothes and trousers can be covered with a dry cotton towel and then rolled together, so that the cotton towel can absorb the excess water on the sweater. When drying, you must put your clothes and trousers in the sun until they are 80% dry, and then wrap your sleeves in a net bag and hang them on a bamboo pole to dry. Prevent exposure to obvious sunlight, otherwise it will destroy the molecular formula of hair. When the sweater becomes long and deformed after washing, it can be repaired by spraying the prototype with an electric iron. Sweater washing and medical treatment, first choose dry cleaners or hand washing. When washing hands, the temperature should not be higher than 30℃. It is recommended not to use soap powder, but to choose a special detergent for sweaters and mix it with warm water. According to the stain of woolen sweater, it can be considered to add, soak and rub, soak and rub several times, then rinse with clear water and dry for 1-2 minutes. If you choose washing, you must follow the washing process of woolen sweater on automatic washing machine, and the temperature should be adjusted below 30℃. It is best to clean the newly bought sweater before it is announced to be worn, because there will be some dirt such as oil, paraffin and dust. In the process of making sweaters, new sweaters will constantly emit the smell of insect repellent; If possible, dry sweaters can be dried at 80℃. If it is dried at room temperature, it is best to hang it directly without a hanger or spread it out with a lifting hanger and put it in the shade. When the sweater is 90% dry, it will be ironed with steam and then dried, so it can be used for clothing and personal collection. Always brush off the dust on the sweater with a coat to prevent the dust from damaging the appearance of the sweater; Wear the same sweater for two or three days, remember to remove it and change it, which will make the natural extensibility of wool fabric get repair time; Sweaters should be put in a cool and ventilated place after wearing, and must be stored with hangers; Simple ways to remove wrinkles, such as ironing wet rags on clothes or ironing them with a steam iron at medium temperature;