The present application discloses a nursing belt after thyroid surgery, which includes: a main guard plate, a side guard plate, air holes, a first strap, a hook surface Velcro, a second strap, a rough surface Velcro, a slot, a concave Hole, first magnet block, guide through hole, guide rod, soft rubber plate, cotton wool layer, deformation rod, stopper, connecting nozzle, limit blocking air bag, air pump, scraper hook, connecting rod, filter cover, first soft Pipe, tee pipe, second hose, interface, third hose, holding airbag, first one-way valve, second one-way valve, silicone strip, air outlet, cavity, movable plate, slot, connection A spring, a second magnet block, a non-woven fabric layer, a bamboo charcoal fiber layer, a melt-blown cloth layer and an activated carbon filter screen. The benefit of this application is that it is convenient to replace the medicine at the wound, and it is not necessary to remove the whole nursing belt during replacement, which improves the efficiency of dressing change; at the same time, it has an active air supply structure that can actively supply air to the surrounding area of care, through Air pump and manual air supply, better air supply.