This door and window sealing strip is soundproof, mosquito-proof and wind-proof, with a new material for sound insulation and noise reduction. The sealing strip can be installed freely, suitable for a gap of 0-20mm, with self-adhesive, easy and convenient installation. Nylon cloth is waterproof and abrasion resistant, waterproof and high temperature resistant, aging resistant, scratch resistant and abrasion resistant. Strong adhesive, sticking firmly and freely pushing and pulling, long use time, sealing strip can be cut and collage freely.