A chalazion, also known as a blepharocyst, is a common eyelid disorder, whereas sarcoidosis refers to a pathologic lesion caused by macrophages and their derived cells, which are quite different. A chalazion, also known as a chalazion, is a common eyelid disorder that may occur spontaneously, mostly due to a chalazion that is obstructed and has retained secretions. Patients with blepharocysts may present with painless eyelid lumps, a foreign body sensation in the eye, and the cysts may recur, resulting in blurred vision. Granuloma is not a disease, it is a pathologic lesion, a well-defined nodular lesion resulting from the limited infiltrative proliferation of macrophages and its derivatives. Granuloma is a tissue proliferation caused by a variety of infections, the essence is a kind of inflammation, the patient’s affected area manifested as reddish granulomatous tissue hyperplasia, may be accompanied by pressure pain, redness and swelling and other uncomfortable symptoms. It is recommended that patients with chalazion should seek medical attention to evaluate their condition and choose the appropriate treatment as prescribed by their doctor.