The invention belongs to the field of 
oral health and in particular relates to 
plant essential oil toothpaste capable of releasing negative ions and a preparation method. The 
toothpaste provided by the invention is prepared from the following components in percentage by weight: 35 percent to 45 percent of dicalcium 
phosphate, 1.8 percent to 2 percent of 
silicon dioxide, 10 percent to 17 percent ofxylitol, 1 percent to 1.2 percent of 
sodium carboxymethyl cellulose, 0.3 percent to 0.5 percent of original gel, 1.5 percent to 2 percent of 
sodium lauryl 
sulfonate, 0.1 percent to 0.2 percent of 
sodium saccharin, 30 percent to 40 percent of refined water, 3 percent to 6 percent of negative 
ion powder, 0.05 percent to 2 percent of 
plant essential oil and 2 percent to 4 percent of 
menthol crystal.The 
toothpaste provided by the invention can keep oral cavities fresh and whiten teeth, and has a very good 
adjuvant therapy effect on bleeding gums and 
decayed teeth; meanwhile, the toothpaste alsocan be used for effectively releasing psychological tensions and keeping a good 
mood. The toothpaste contains the negative 
ion powder; the toothpaste can be used for promoting 
blood circulation, accelerating 
metabolism of human bodies, enhancing the 
immunity of the human bodies and eliminating 
toxin in the human bodies.