Oblique muscle stiffness can be caused by muscle strain and cold in the back, lipoma, etc. Oblique muscle stiffness caused by muscle strain and cold can be rubbed away, while others cannot. 1. Muscle strain and exposure to cold: Stiffness and knots in the back muscles caused by muscle strain and exposure to cold can be treated by slowly rubbing the stiffness away, together with trapezius stretching, tuina and massage methods. Fascial inflammation caused by trapezius muscle strain, in the later stage of fibrous tissue hyperplasia to form scars, adhesions, can be used to loosen the local adhesion through the needle knife, significantly relieving the symptoms. 2. Lipoma, acanthoma, fibroma: Lipoma occurs in limbs and trunk, with the characteristics of clear boundary, hardness and painlessness, which can be surgically excised. Powdery mildew is characterized by blackheads and cysts in the lesion area, and the treatment is mainly based on anti-infection and surgical excision. Treatment of fibroma is based on wide surgical excision. None of the above hard knots can be rubbed away. Oblique muscle hard nodules, if lipoma, acne, fibroma and other causes of subcutaneous mass, do not rub at this time, in order to avoid the spread and rupture. The emergence of trapezius muscle nodules, it is recommended that patients seek medical advice in a timely manner, under the guidance of the doctor, combined with the relevant examination results, to identify the cause of the targeted treatment, do not rub, so as not to cause adverse reactions.