Optical therapeutical device

The utility model relates to an optical therapeutical device, composed of a casing, a handle which is integral with the casing, and an optical guide tube. The casing is provided with an optical source chamber; the optical guide tube is provided with an optical guide stick; the optical source chamber is an elliptical ball chamber; optical source is arranged on a focus inside an elliptical ball; the optical entering end of the optical guide stick is arranged on the other focus; the end surface of the optical guide stick is a curved surface; the optical guide tube and the casing are connected in an assembling and disassembling mode.