The present invention relates to a sprout cultivator regulating temperature and humidity including: a main body having a cylindrical shape with an open upper side, having a drainage port formed in a lower inner surface, having an upper side open for water tank stacking, and having a spray hose insertion port formed at the center； a spray hose inserted into the spray hose insertion port and disposed in an upright manner and spraying water flowing in from the drainage port through a spray hole formed on an upper side； the water tank having a cylindrical shape with an open upper side, having a first spray hose through-hole formed at the center on a lower side, and received and placed on an upper side of the main body； and two or more seed plates inserted into the water tank, having a cylindrical shape with an open upper side, having a second spray hose through-hole formed at the center for penetration by the spray hose, and having a mesh structure on a lower side with a size not allowing the penetration by a seed for sprout cultivation, in which the main body further includes: a temperature measurement unit attached to a lower surface of the main body and measuring the temperature of the water flowing into the main body； and a heat transfer plate attached to a lower surface of the main body and applying heat to the main body. According to the present invention, humidity is maintained by the water flowing in from the main body is sprayed from above by the spray hose at regular time intervals through the pump and the temperature is maintained so that the plant cultivated can be provided with optimal conditions for growth.본 발명의 특징에 따르면, 본 발명은 상측이 개방된 원통형 형상으로, 내부 하면에 배수구가 형성되고, 상측에 수조가 적층되도록 형성되도록 개방되며, 중앙에 분무호스 삽입구가 형성된 본체； 상기 분무호스 삽입구에 삽입되어 직립되어 설치되며, 상기 배수구로부터 유입되는 물을 상측에 형성된 분무홀을 통해 분무하는 분무호스； 원통형 형상으로 상측이 개방되고, 하측 중앙에 제1분무호스 관통공이 형성되며, 상기 본체의 상측에 안착 배치되는 수조； 상기 수조에 삽입되되, 원통형 형상으로 상측이 개방되고, 중앙에 상기 분무호스가 관통되는 제2분무호스 관통공이 형성되고, 하측에 새싹재배를 위한 씨앗이 통과하지 않을 크기의 메쉬구조를 갖는 두개 이
