Whether a breast cyst needs treatment should be judged in the light of the specific situation. For asymptomatic simple small cysts, treatment is usually not needed, regular checkups and attention to diet can be enough; before and after menstruation, pain is more obvious breast cysts, it is recommended to go to the hospital in time for consultation and active treatment; larger breast cysts, the nature of the fluid can be checked by puncture and fluid extraction, such as cystic fluid is bloody or black-brown, it is necessary to further examination to clarify the diagnosis, and then carry out the appropriate treatment; if the small cysts suddenly increase in size or the cyst wall suddenly becomes thicker, it should be alert to complications of breast cancer, radical resection surgery is needed if necessary. If the small cyst suddenly increases in size or the wall of the cyst suddenly becomes thicker, it should be alerted to the complication of breast cancer, and it is recommended to actively treat it, and radical mastectomy is needed if necessary. It is recommended that patients go to the gynecology department or breast specialist in the hospital for regular checkups, have regular work and rest, live a regular life, eat less spicy and stimulating food, and preferably do not eat cold food. The most important thing is to control the emotions, do not get angry, keep happy and happy mood.