The present invention relates to a method for producing air freshener for shed including herb extracts capable of facilitating eco-friendly environment in a shed. The method comprises the following steps: obtaining a ferrous sulfate solution by mixing the ferrous sulfate solution with water； obtaining a fermented solution by fermenting at least one among a first group of herb extracts comprising lonicer aflower, forsythia fruit, greenish tobacco leaf, chrysanthemum, taraxacum herb, and pulsatilla and processing solid liquid separation； obtaining an air freshening solution through a reflux extraction method with a mixer of alcohol and one among mint, cinnamon, fennel seed, and dried clove buds or a mixer of alcohol, water and one of the said extracts； and obtaining air fresher by mixing the ferrous sulfate solution, extracted solution, and air freshening solution. By using the present invention, anti-bacteria effects can be expected as well as air freshening effects by stabilizing the present invention by producing anti-bacteria materials through the extraction of extracts that have anti-bacteria properties and mixing the same with the ferrous sulfate solution. Also, by mixing the extracts that have anti-bacteria and air freshening properties, expected effects can be introduced very fast, and also pest control can be expected, thereby facilitating eco-friendly environment in a shed. Moreover, manufacturing the present invention is easy since the main materials used for manufacturing the same are easy to get, thereby reducing the manufacturing costs and financial burden.본 발명은 신속한 탈취효과와 더불어 살균 및 방향처리로 쾌적한 친환경의 축사환경을 조성할 수 있는 식물 추출물을 포함하는 축산 악취 탈취제의 제조방법에 관한 것이다. 이를 위하여, 본 발명은 황산제일철을 물에 녹여 황산제일철 수용액을 얻는 단계； 금은화, 연교, 대청엽, 야국화, 포공영, 백두옹으로 구성되는 제1식물군으로부터 적어도 1종 이상 선택하여 이를 발효시킨 다음 고액분리하여 발효액을 얻는 단계； 박하, 계피, 팔각회향, 정향으로 구성되는 제2식물군으로부터 적어도 1종을 선택하여 이를 알코올 또는 알코올과 물의 혼합물을 용매로 환류 추출하여 방향액을 얻는 단계； 상기의 황산제일철 수용액과 발효액, 방향액을 혼합하여 탈취제를 얻는 단계로 이루어진다. 본 발명에 따르면, 항균성을 갖는 식물군으로부터 적어도
