The present invention relates to a method for producing a hair regrowth agent, a natural raw material of sewage extract, raw sulfur extract, Angelica extract, ginger extract, peppermint extract, Schisandra chinensis extract, soybean extract, stained pod extract, gardenia extract, peach extract, pine needle extract Since it is possible to obtain a hair repellent by hot water, it is possible to prevent damage to the scalp of the user by natural plants, minimize the occurrence of side effects, and supply nutrition to the user's hair by the efficacy of natural plants. It can induce hair growth promotion, greatly improves the hair growth effect, prevent dandruff and itching, and prevent hair loss in advance. The present invention is the sewage extract 7g weight, raw sulfur extract 0.8-1.1g weight, Angelica extract 0.8-1.1g weight, ginger extract 0.8-1.1g weight, soybean extract 0.6-0.8g weight, stained koji extract 0.6-0.8g weight, gardenia A mixture of 0.6-0.8 g weight of tree extract, 0.6-0.8 g weight of peach extract, and 0.6-0.8 g weight of pine needle extract is mixed with 300 g weight of water and placed in a water bath, followed by a temperature of 70 ° C. to 100 ° C. for 30 minutes. A first step (S1) of preparing a first bath water by hot water for 60 minutes； After mixing 4g weight of peppermint extract and 1 ~ 1.4g weight of Schisandra chinensis extract with 100g weight of water, put it in a pressure bath, pressurize in a pressure bath at a temperature of 70 ℃ ~ 80 ℃ for 15 minutes to 30 minutes. A second step (S2) of preparing water； A mixing step (S3) of mixing 200 g weight of the first bath water prepared by the first step and 60 g weight of the second bath water prepared by the second step； It includes a filtration step (S4) of putting the mixture mixed by the above mixing step into a pressure bath and filtration.본 발명은 발모제 제조방법에 관한 것으로서, 하수오추출물, 생지황추출물, 당귀추출물, 생강추출물, 박하나무추출물, 오미자추출물, 대두추출물, 얼룩조릿대추출물, 치자나무추출물, 복숭아추출물, 솔잎추출물의 자연 원료를 혼합하여 중탕시킴으로써 발모제를 얻을 수 있기
