Mini Glass spray dyer is mainly applicable to the production of micro particle powder in universities, research institutes and laboratories of food, medicine and chemical enterprises. It has wide-spec- trum applicability to all solutions, such as emulsion and suspension, It is applicable to the drying of heat sensitive substances, such as biological products, biological pesticides, enzyme preparations, etc. because the materials ejected are only exposed to high temperature when they are sprayed into aerosol size particles, they are only heated instantaneously, which can keep the active ingredients of these active materials from being damaged after drying.