Trimethoprim belongs to glucocorticoid, ultrasound-guided intra-lymph node injection of trimethoprim can play an anti-inflammatory and anti-allergic role, and can give effective local short-term treatment. Tretinoin has anti-inflammatory and anti-immune effects, can inhibit the proliferation of fibroblasts and reduce collagen formation, and can generally be applied to a variety of non-infectious inflammatory diseases, such as anaphylaxis, rheumatoid arthritis, eczema and so on. Local infection, pain, degeneration of muscle tendons and other symptoms may occur after injection of Tretinoin, which is prohibited for people who are allergic to adrenocorticotropic hormones, history of severe psychiatric illnesses, diabetes, and so on. After the injection, the diet should be light, eat more light and easy to digest food, eat less spicy and stimulating food, to avoid bringing stimulation to the wound. If you need to use the above drugs need to be correctly used under the guidance of a doctor.