Disclosed are a high-performance anti-fungal, anti-bacterial, insecticidal and deodorizing microcapsule and its application. The functional microcapsule includes the following raw materials in parts by weight: a constant-temperature sublimation agent of 40˜50 parts by weight, an anti-bacterial agent of 10˜15 parts by weight, a deodorant of 10˜15 parts by weight, an insecticide of 10˜15 parts by weight, an anti-fungal agent of 10˜15 parts by weight, a solvent of 100 parts by weight, a release agent of 600˜1000 parts by weight, a diluent of 6000˜10000 parts by weight, and an emulsifier of 0.2˜0.25 part by weight.
