A safety guaranteed farming is disclosed, which includes an organic waste resource recycling and depleting system, an ecological water source purification and irrigation system, a greenhouse cultivation system and an ecological farm management system. With the disclosed safety guaranteed farming not using chemical fertilizer and pesticide, purposes of producing high-quality crops without producers worry over pests and diseases or self-poisoning and crop poisoning and providing development on an organic ecological learning and demonstration tourism farm can be attained. Accordingly, a user can securely eat the cultivated products without worrying about influences on human body caused by pesticide residues or chemical fertilizers.一種心安農法,包含有機廢棄物資源回收消化系統,生態水源淨化灌溉系統,溫室培育系統及生態農場管理系統,達到不使用化學肥料及農藥,生產者無需過度擔心病蟲害或自身與作物遭受毒害,即可生產高質量作物,同時可以開發為有機生態教學示範觀光農場,食用者可安心食用,不用擔心農藥殘留或化學肥料影響人體之心安農法。1‧‧‧農牧有機廢棄物資源回收消化系統2‧‧‧生態水源淨化系統3‧‧‧溫室培育系統4‧‧‧有機生態農場系統