Mucous cysts are cysts that occur in the mucous glands, clinically common mucous cysts are: sublingual mucous cysts, lacrimal sac mucous cysts, appendiceal mucous cysts, gastric mucous cysts, mucous cysts can occur wherever there are mucous glands, as follows: 1. Common mucous cysts are sublingual mucous cysts, which are often caused by damp-heat in the spleen and stomach (the spleen and stomach feel damp-heat evil qi), and inflammation in the heart, and can usually be cured by applying watermelon cream to the affected area repeatedly. 2. Lacrimal sac mucous cysts are formed by long-term chronic inflammation of the lacrimal sac, resulting in continuous secretion of fluid from the lacrimal sac mucus, and clinically, it is usually necessary to rebuild the lacrimal duct after removal of the cyst. 3. Appendiceal mucous cysts and gastric mucous cysts belong to gastrointestinal diseases. Mucous cysts are classified as benign and malignant, but clinically less frequent and more difficult to recognize. If the body is not feeling well, it is recommended that the patient immediately go to the hospital for examination and treatment under the guidance of the doctor, do not use drugs without authorization, so as not to cause adverse consequences.