The invention discloses a method for preparing anti-inflammatory, antibacterial and bacteriostatic components for toothpaste by medicinal extract-microcapsules. The method comprises steps as follows:a gelatin solution and a sodium alginate solution are mixed, paeonol crystals and magnolol crystals are added, high-speed shearing dispersion is performed, pH is slowly regulated by an aqueous aceticacid solution during electric stirring, a mixed solution is pressurized by an air compression pump and sprayed to a curing agent solution, an anti-sticking agent is added, filter pressing is performedby a positive-pressure filter, and paeonol-magnolol crystal microcapsules are obtained by reduced-pressure drying; the microcapsules are mixed uniformly with purified and decolored tea saponin, fructus chebulae extract and hairy artemisia extract, and the anti-inflammatory, antibacterial and bacteriostatic components for the toothpaste are prepared. Gelatin and sodium alginate are taken as wall materials, the paeonol crystals and the magnolol crystals are taken as capsule-cores, the paeonol and the magnolol crystals are micro-encapsulated with a complex coacervation method, the wall materialsprepared from gelatin and sodium alginate by complex coacervation can well protect capsule-core substances from being oxidized, and the microcapsules prepared from gelatin and sodium alginate as thewall materials with the complex coacervation method have good oxidation resistance.