A small bump on the right side of the nose may be related to acne, sebaceous cysts, boils and other causes. 1. Acne: A chronic inflammatory follicular sebaceous gland disease caused by the proliferation of Propionibacterium acnes, which can lead to localized pimples, inflammatory papules, pustules, and sometimes a small bump on the right side of the nose. 2. Sebaceous cysts: As the sebaceous gland secretions cannot be normally discharged from the gland opening, it can lead to its accumulation under the skin to form a small raised bag. 3. Boils: If one of the hair follicles on the right side of the nose is attacked by purulent bacteria such as Staphylococcus aureus, it can lead to a localized inflammatory reaction, resulting in the formation of a raised bump. It is recommended that the person with a small bump on the right side of the nose go to the hospital in a timely manner to clarify the cause of the disease and carry out standardized treatment under the guidance of the doctor, so as to avoid delays in the condition.