Sagging breasts are mainly treated by surgery to achieve local orthopedic purpose, and pectoralis major muscle exercise can also be considered to improve the symptoms. 1. Surgical treatment: Surgical treatment can improve the symptoms of breast ptosis and achieve the effect of breast shaping. At present, the commonly used surgical methods include double ring method, pituitary double tibial method and lejour method, and different surgical methods can be chosen according to the specific conditions of the patients. 2. Pectoralis major muscle exercise: the exercise of pectoralis major muscle helps to tighten the chest. Patients can improve chest sagging by exercising pectoralis major muscle in daily life. Patients can wear bras with proper size and steel support during daytime. Patients with sagging breasts are advised to go to the hospital and choose the appropriate method of treatment under the guidance of the doctor.