Poor absorption too thin can first be adjusted through diet, exercise, lifestyle and so on. 1. Diet: long-term picky eating, partiality, irregular meals, overeating, eating spicy and stimulating foods, etc., can easily lead to poor absorption, so that the whole person is too thin. Regulation needs to start from the diet, change the daily bad eating habits, pay attention to diet and nutritional balance, eat more fresh fruits and vegetables, pay more attention to eating light, easy to digest food, avoid eating spicy and stimulating food, three meals a day regularly. 2. Exercise: poor absorption of too thin should pay attention to exercise, long-term swimming, running, yoga, ball games and other aerobic exercise, can improve gastrointestinal digestion, improve the accumulation of food and other symptoms of indigestion, so as to achieve the effect of increased body absorption. 3. Lifestyle: poor absorption of too thin may be related to poor lifestyle, such as long-term late night, worry, too much pressure. Need to correct the bad lifestyle, go to bed early and get up early every day, keep enough sleep, pay attention to maintain a happy mood, regular release of pressure. Poor absorption too thin through the conditioning can not be improved, long-term so should consider the impact of disease, should go to the hospital.