The utility model relates to a leaf chamber structure for determining photosynthesis of non-leaf organs in the countryside, wherein the leaf chamber is made of transparent organic glass, and is characterized in that the leaf chamber consists of two opening and closing semicolumn housings; a sealing rubber and plastic tablet is stuck on a joint surface of the semicolumn housing; a thermoelectric pair, an air return hole, and a mounting and junction panel are respectively arranged on one of the semicolumn housings. Through changing the size of the leaf chamber housing, the utility model can also be applied to in situ determination of photosynthesis, respiration, and transpiration rate of non-leaf photosynthetic organs of fruits and leguminous beanpod, etc.. The leaf chamber structure for determining photosynthesis of non-leaf organs in the countryside satisfactorily solves a problem of current leaf chambers that photosynthesis determination of non-leaf organs of a variety of plants can not be carried out.