The invention relates to the technical field of daily chemicals, in particular to whitening 
toothpaste and a preparation method thereof. The whitening 
toothpaste. The composition at least comprises the following components in percentage by weight: 10 to 40 percent of a friction agent, 0.1 to 5 percent of 
polyphosphate, 1 to 10 percent of 
pyrophosphate, 0.1 to 10 percent of hydroxyapatite, 0.001 to0.50 percent of a pearling agent, 0.5 to 4 percent of fluorides, 0.1 to 1.5 percent of a 
thickening agent, 1 to 10 percent of a 
sweetening agent, 0.01 to 2 percent of a 
preservative, 0.1 to 0.5 percent of a 
humectant, 1.5 to 6 percent of a 
foaming agent, and the balance of water complementing the total 100 percent. The whitening and repairing 
toothpaste provided by the invention has the followingeffects: 1, the toothpaste has relatively 
low friction performance, can reduce the abrasion to teeth, gentle friction and protect the teeth, and is suitable for daily use; 2, the toothpaste has a good effect of whitening teeth, and can effectively remove exogenous stains and tooth stains of the teeth; 3, the toothpaste improves the smooth finish of the 
tooth surface, and resists the regenerationof exogenous stains; 4, the toothpaste inhibits oral 
inflammation development, and repaires oral 
gingival tissue damage; and 5, the toothpaste adopts a weakly alkaline formula can inhibit the growth of oral microorganisms, refresh breath and maintain 
oral health.