A connecting type microwave radiating device which consists of two or more of microwave radiating devices, wherein one of said microwave radiating devices, which treats radiated material by means of irradiation of microwave, comprises: irradiating means which has microwave radiating source, and a container which accepts radiated material inside; the above container having: supply means which provides radiated material to above container, and discharge means which discharges radiated material from the above container, and microwave receiving section which makes microwave that irradiated from radiating means, penetrate into the container through the medium of dielectric material; further providing at least one layer composed of non-dielectric material between the atmosphere of the inner side and the outer side of the above container; the above irradiating means and the above container are connected in removable mode; as the characteristics of the microwave radiating device, said connecting type microwave radiating device comprising a removable structure wherein the discharge means in one microwave radiating device of the aforementioned two or more of the microwave radiating devices, and the supply means in the neighboring one microwave radiating device of the aforementioned two or more of the microwave radiating devices are able to attach to or remove from each other; at the condition of the aforementioned discharge means and the aforementioned supply means are connected, each container of the microwave radiating device becomes unity and forms a flow way of radiated material. irradiating means which has microwave radiating source, and a container which accepts radiated material inside; the above container having: supply means which provides radiated material to above container, and discharge means which discharges radiated material from the above container, and microwave receiving section which makes microwave that irradiated from radiating means, penetrate into the container through the medium of dielectric material; further providing at least one layer composed of non-dielectric material between the atmosphere of the inner side and the outer side of the above container; the above irradiating means and the above container are connected in removable mode; as the characteristics of the microwave radiating device, said connecting type microwave radiating device comprising a removable structure wherein the discharge means in one microwave radiating device of the aforementioned two or more of the microwave radiating devices, and the supply means in the neighboring one microwave radiating device of the aforementioned two or more of the microwave radiating devices are able to attach to or remove from each other; at the condition of the aforementioned discharge means and the aforementioned supply means are connected, each container of the microwave radiating device becomes unity and forms a flow way of radiated material. supply means which provides radiated material to above container, and discharge means which discharges radiated material from the above container, and microwave receiving section which makes microwave that irradiated from radiating means, penetrate into the container through the medium of dielectric material; further providing at least one layer composed of non-dielectric material between the atmosphere of the inner side and the outer side of the above container; the above irradiating means and the above container are connected in removable mode; as the characteristics of the microwave radiating device, said connecting type microwave radiating device comprising a removable structure wherein the discharge means in one microwave radiating device of the aforementioned two or more of the microwave radiating devices, and the supply means in the neighboring one microwave radiating device of the aforementioned two or more of the microwave radiating devices are able to attach to or remove from each other; at the condition of the aforementioned discharge means and the aforementioned supply means are connected, each container of the microwave radiating device becomes unity and forms a flow way of radiated material.