The invention relates to a nursing device used for medical treatment, in particular to a leg nursing device used for medical treatment. The leg nursing device used for medical treatment solves the technical problems, and can shorten time, save labor, improve massaging efficiency and relieve arm aching pain. The leg nursing device comprises an air cylinder, a nursing table, first slide rails, special-shaped blocks, a connecting plate, first sliding blocks, a pull rope, a hollow frame, a first pulley, a second pulley, a third pulley and others; the air cylinder is installed on the left side faceinside the nursing table, the slide rails are connected to the front and the back of the right side of the bottom inside the nursing table respectively, the first sliding blocks are arranged on the first slide rails, and the special-shaped blocks are connected to the tops of the first sliding blocks. Through massaging blocks, the leg nursing device moves vertically to massage the leg of a patientwithout manual operation when the leg of the patient is massaged, and in this way, the leg nursing device has the advantages that time can be shortened, labor can be saved, massaging efficiency can be improved, the arm aching pain can be relieved, and leg recovery is accelerated.