Breast disease precautions: Emotional: calm, optimistic, confident. Avoid impatience, irritability and depression. Stress: Avoid excessive stress in life and work. Diet: Avoid foods high in estrogen, such as high-fat, high-protein foods, desserts, cream, fried and deep-fried foods, spicy foods, and KFC and McDonald’s fast food. Meat products (in moderation). Drink less coffee drinks and eat more vegetables and fruits and vegetables. Health care products: choose health care products carefully; use less vitamin E, propolis, protein powder, honey, etc. Life and rest: regular work and rest time, avoid staying up late. It is advisable to sleep before 11:00 pm. Bra: appropriate elasticity, continuous wear time less than 9-12 hours. Stool: Keep your stool open and avoid dry stools. Menstruation: Adjust menstrual disorders. Additional precautions for plasmacytoid mastitis: Avoid bumping the chest; eat less beef, mutton, fish, shrimp and crab during the onset of the disease. Avoid strenuous emotional stimulation. Avoid overexertion. Exercise during the day to enhance physical fitness. The mind is easy to calm and stable. Precautions for thyroid disease: Emotion, stress, life and rest reference. Precautions for breast disease: Eat less iodized salt. Avoid prolonged exposure to cell phones, computers, etc.