a portable infrared physiotherapy instrument (10) has been described, comprising a housing (100), a power source (200), a fan (300), an infrared emission set (400) and a guide tube (500 ). the infrared emission set (400) comprises a fixing frame (410), and an electric heating wire (420) wrapped around the fixing frame (410), the electric heating wire (420) being able to generate simultaneously visible light and heat after being energized, and the heat heating a rare earth coating on the outer surface of the electric heating wire, thereby changing the frequency range of visible light in order to obtain infrared rays. the power source (200) drives the fan (300) to rotate in order to direct external air into the housing (100) from an opening in the first end of the housing (100) and form an air flow inside the housing (100), the infrared rays and heat are guided to the guide tube (500) under the action of the air flow and are discharged from one end of the guide tube (500). the instrument of the present invention is smaller in volume and easy to transport, and can perform directional emission of infrared rays and heat and has directing properties, and infrared rays and heat simultaneously generated by the electric heating wire (420) can go deep on the skin to perform deep heat therapy, and can effectively improve the effect of physiotherapy.encontra-se descrito um instrumento de fisioterapia infravermelho portátil (10), compreendendo uma carcaça (100), uma fonte de energia (200), uma ventoinha (300), um conjunto de emissão infravermelho (400) e um tubo de guiamento (500). o conjunto de emissão infravermelho (400) compreende uma armação de fixação (410), e um fio de aquecimento elétrico (420) enrolado em torno da armação de fixação (410), o fio de aquecimento elétrico (420) sendo capaz de gerar simultaneamente luz visível e calor após ser energizado, e o calor aquecendo um revestimento de terra rara na superfície externa do fio de aquecimento elétrico, desse modo mudand
