Benefits: (1) Eat less, wear less clothes, and save costs. Especially in the current financial crisis, I may lose my job that day. Save money to tide over the difficulties. (2) No wealth diseases caused by obesity such as hypertension and hyperlipidemia. Good health is more important than anything else. (3) Fast walking and strong endurance. Especially when climbing mountains, you won't easily gasp. (4) Even if thin people sleep in small beds, there is no need to adjust the air conditioning temperature too low in summer. Can save social raw materials and energy, and is beneficial to environmental protection. (5) It is easy to move, especially the crowded buses and trains in Spring Festival travel rush have obvious advantages, and they enter through the cracks. (6) Thin people do more practical things because their physical conditions are generally not good. (7) Thin people are generally more balanced, especially slim girls are more aggressive. (8) Thin people, because of their light weight, generally do not take the initiative to fight and make trouble with others, and take the initiative to be humble with others, thus avoiding many disputes and troubles.

2. Disadvantages: (1) causes uterine prolapse or gallstones. Because there is not enough fat protection in the body, the uterus can easily descend from its normal position along the vagina, leading to cervical prolapse. In severe cases, the uterus can protrude out of the vaginal orifice and even cause cervical infection. In addition, women who are too thin have insufficient calories, which may burn fat in tissues and consume nutrients such as lecithin, cholesterol and calcium, making bile secretion more viscous and eventually forming gallstones. (2) If a woman who causes gastroptosis is too thin, her abdominal wall is slack and her abdominal muscles are weak, and the muscles and ligaments that fix her stomach position are slack, the abdominal pressure can be reduced, the whole stomach position can be reduced, and the gastric peristalsis will be weakened, which is easy to cause gastroptosis. (3) Infertility can only maintain normal menstrual cycle and sexual desire level if body fat reaches a certain amount. When the body fat is insufficient, it will make progesterone and estrogen disorder and affect fertility. In addition, if a woman is too thin, she may suffer from malnutrition, nausea or anemia, and even have a miscarriage after pregnancy. (4) If osteoporosis is too thin, the secretion of estrogen in the body is insufficient, and estrogen can affect the combination of calcium and bone. When the intake is insufficient, the normal bone density cannot be maintained, which affects bone health and leads to osteoporosis.