ZRL-II-A cavity interventional therapeutic instrument is the most elite medical equipment for the treatment of prostate diseases and gynecological inflammation by using biological closed-circuit technology combined with B-ultrasound positioning vision system. The whole working process is recorded by micro-electronics intelligent control and displayed directly on the computer display screen. This product has many advantages, such as "biological closed circuit" technology: microwave, radio frequency, short wave and other thermal effects; Pressurized perfusion of traditional Chinese and western medicine; Local drug irrigation; Electromagnetic field oscillation; Drugs are quickly introduced into the depth of the lesion and so on. It is a high-tech product for treating prostate diseases and gynecological inflammation in the world at present.