Raised bumps on the pinkie may be caused by herpes sweat, contact dermatitis, common warts and other diseases, and can be improved by general treatment, medication, physical therapy and other ways. 1. Sweat herpes: If the bumps on the thumb are caused by sweat herpes, patients need to maintain local hygiene and avoid scratching the affected area. Patients can follow the doctor’s instructions to apply topical glucocorticoid ointment treatment, such as tretinoin urea ointment, halomethasone cream, etc., with anti-inflammatory, anti-allergic and other effects. 2. contact dermatitis: for contact dermatitis caused by raised bumps on the thumb, the patient needs to avoid contact with allergens, you can follow the doctor’s instructions to apply hydrocortisone cream, dexamethasone cream and other glucocorticoid ointment treatment, with anti-inflammatory, anti-allergic effect. 3. common warts: if the common warts caused by the raised bumps on the little thumb, the patient should take physical destruction treatment, such as cryotherapy, laser therapy, etc., the warts will be removed. If you can not accept physical treatment, you can also take medication, patients can follow the doctor’s prescription of topical salicylic acid, retinoic acid, etc., to play the effect of exfoliation. There are many causes of raised bumps on the pinkie, and patients are advised to go to the hospital to clarify the cause.