The invention discloses a dry powder disinfection improving agent, which comprises an adsorbent, an antibacterial agent and a regulator, wherein the adsorbent accounts for 93% to 95%, and the antibacterial agent accounts for 3% to 5%. , the proportion of the regulator is 1% to 4%, and the proportions are all by weight. The adsorbent is selected from any three or more of montmorillonite, attapulgite, diatomite, gypsum, alunite, attapulgite, kaolin, talcum powder, and activated carbon, and the antibacterial agent includes natural plant essential oils , the conditioner includes spices and borneol. The dry powder disinfection improving agent is used for adjusting and improving the pig house environment, delivery of piglets, disinfection and sterilization of wounds, and disinfection and drying of bacterial diarrhea. It is also used to adjust the environment in improved cowsheds, chicken coops, duck coops and other breeding pens, to disinfect and sterilize poultry wounds, and to disinfect and dry bacterial diarrhea.