This creation provides a kind of cotton rod of improvement, includes a shank part and to set one of what shank part one end cleaning section, characteristic is in what: the cleaning section surface, which is recessed with, one of extends chase along shank part axial screw; Accordingly, the rotatable cleaning section is to scrape the secretion in opening, sputum or earwax etc., make the secretion swept, sputum earwax etc. can hold place's what this etc. be carried among chases, remove it, provide the more effective benefit of cleaning, thoroughly and using comfortably with person the effect of tool safety.本創作提供一種改良之棉花棒,包含有一握柄部與設於握柄部一端之一清潔部,其特徵在於:該清潔部表面凹設有沿握柄部軸向螺旋延伸之一凹溝;據此,可旋轉該清潔部以刮起口中的分泌物、痰液或耳垢等,使刮起的分泌物、痰液耳垢等可容處於該等凹溝之中被帶出、清除之,提供清潔更有效益、徹底以及使用舒適與具安全性之功效者。