Some varieties are not suitable for washing, such as brocade, brocade and antique brocade; It can be washed with water, but neutral soap or high grade soap and high grade synthetic detergent should be used. The soap solution should be dissolved with hot water first. After cooling, the clothes should be soaked completely, and then gently washed with large handfuls. After washing, rinse with clean water, and press the fabric with both hands.