A small bump inside the eyelid may be due to chalazion and granuloma, and you should consult a doctor to find out the cause of the disease. 1. Chalazion: also known as blepharoplasty, it is mainly due to blepharitis or sebaceous glands sweat gland secretion and other reasons lead to blepharoplasty gland secretion obstruction, secretion retention, usually manifested in the eyelid subcutaneous appearance of obvious painless cysts, that is, eyelid grow a small bump. 2. Staphylococcus granuloma: mainly due to staphylococcal infection caused by the eyelid gland parts of the inflammatory reaction, mainly manifested in the affected area of redness, swelling, heat and pain symptoms. Factors such as blockage of the opening of the blepharoplasty gland may cause aseptic inflammation, which can lead to secondary infections and eventually develop into internal blepharitis, resulting in the symptom of small bumps in the eyelids. In your daily life, you should pay attention to the cleanliness and protection of your eyes. If the small bumps in your eyelids persist and do not disappear, it is recommended to go to the hospital in time for treatment under the guidance of your doctor.