Live oxygen, ozone or fresh oxygen as other names, is activated in its chemical property, functional for its bactericidin, toxicity of pesticide residue degradation off fruits and vegetables, meat hormone decomposition and air purification. Outer-space umbrella multifunctional live oxygen machine succeeds in bactericidin and air purification involved in household, guesthouse, office, conference room, refrigeration storage, bathing pool, sauna, and limousine in light of such indication and theory of high voltage discharging ozone.