The generic name of Xiliao Tuo Ointment is Mucopolysaccharide Polysulfate Cream, which can not eliminate hard knots, but has the effect of anti-inflammatory, anti-exudation and promote wound healing. The main ingredient of Mucopolysaccharide Polysulfate Ointment is Mucopolysaccharide Polysulfate, which exerts antithrombotic effect by acting on blood coagulation and fibrinolytic system, also inhibits prostaglandin and complement system and exerts anti-inflammatory effect, and promotes regeneration of normal connective tissues. Mucopolysaccharide polysulfate cream is indicated for blunt force contusions, superficial phlebitis that cannot be treated by compression, and is also commonly used to remove acne marks, etc., but it does not have the effect of eliminating hard knots. Adverse reactions to the topical application of this drug are rare; occasionally, local skin reactions or contact inflammation are seen. Allergy to heparin, easy to bleed body, open wounds and broken skin and mucous membrane should be prohibited, the use of this product should be careful to avoid contact with eyes, mucous membranes, wounds or broken skin. There are many reasons for the appearance of hard nodules on the skin, it is recommended to go to the hospital after a clear diagnosis, under the guidance of the doctor to choose the appropriate drug treatment, avoid self-medication.