Red bumps on the chest may be caused by acne, contact dermatitis, eczema, folliculitis and other diseases, the cause of the different choice of drugs are also different. 1. Acne: patients can follow the doctor’s instructions for topical adapalene gel, tazarotene and other retinoid creams, which has the effect of regulating keratin, but also topical benzoyl peroxide gel, which has the effect of inhibiting Propionibacterium acnes. 2. Contact dermatitis: patients can follow the doctor’s instructions for topical tretinoin, dexamethasone and other glucocorticoid ointment, with anti-inflammatory effect. 3. Eczema: patients can follow the doctor’s instructions for external glucocorticoid ointment, such as hydrocortisone, with anti-allergic effect, but also external tacrolimus ointment and other calcium-modulated phosphatase inhibitors, with anti-inflammatory effect. 4. Folliculitis: For folliculitis caused by bacterial infection, patients can use antibiotic drugs such as fusidic acid externally; if it is caused by fungal infection, you can use antifungal drugs such as terbinafine externally. There are many reasons for the red bumps on the chest, it is recommended that patients go to the hospital, clear the cause of the disease and follow the doctor’s instructions for medication.