The difference between cysts and tumors is as follows: 1. Cysts are actually cystic tumors, which are benign tumors, and their nature is benign. 2. Tumor is a new organism formed by the body under the action of various pathogenic factors, and this new organism is mostly in the form of occupying change, usually a bump or a swelling, and this tumor includes benign and malignant tumors, so that most of this tumor is solid, unlike cystic, which has some liquid components. The tumor is usually solid in the middle, or a kind of occupational, growing sometimes faster, sometimes slower, but generally the cyst growth rate is slow, but the tumor growth rate is fast, the process of fast is also benign tumor growth rate is slow, malignant tumor growth is fast, malignant tumor has a greater impact on people, and malignant tumor to the late stage may metastasize to other locations, causing systemic symptoms.