The invention discloses acomposite potassium peroxymonosulfate disinfection tablet which comprises 10.0-70.0 parts by weight of potassium monopersulfate, 1.0-65.0 parts by weight of fillers, 1.0-20.0 parts by weight of adhesives and 0.01-10.0 parts by weight of lubricant, wherein the fillers is formed by one or more then one of sodium sulfate, sodium chloride, potassium chloride, sodium carbonate, sodium bicarbonate, phosphate, inorganic acid, organic acid, starch, dextrin, glucose, solid emulsifier, xylitol and a metal ion complexing agent, the adhesives comprise cellulose, polyvinylpyrrolidone and gelatin; the lubricant is formed by one or more than one of magnesium stearate, talcum powder, micro-powder silica gel, sodium benzoate and polyethylene glycol; in addition, sodium percarbonate, calcium percarbonate, sodium perborate or calcium peroxide 1-2 are added. The invention is convenient to use, has the advantages of quick disintegration and dissolution, can significantly increase the effect of the disinfection tablet and can adjust pH value.