Objective To study the solubilization role of Tween-80 and ultrasonic inspection which may improve the stability of Nitrofurazone Solution,and optimize the content of Tween-80 in Nitrofurazone Solution.Methods Nitrofurazone was crushed into small particles by ultrasound at 50℃,and plus Tween-80 as solvents in Nitrofurazone Solution.The stability of Nitrofurazone Solution was studied by deposit at 2~8 ℃ for three months.Results The crystal of Nitrofurazone Solution with 0.5% Tween-80 was less than that of re...