In normal times, what can be done to prevent easy bruising, let us listen to the experts: 1, regulate the diet: to pay attention to food safety, usually in the diet to achieve a reasonable diet, to prevent the emergence of acidic physique endanger the health of children. Prohibit children to eat preservatives, additives exceed the standard of poor quality small food. Pesticides remaining in vegetables and fruits, antibiotics to prevent the onset of poultry, etc., can lead to an increase in childhood leukemia. Therefore, parents should choose green food, eat more natural food and regular production of food after health inspection, such as: fresh vegetables, grains and cereals. 2, away from pollution: reduce children’s activities in the polluted environment time. Ensure the air circulation in children’s living room. Home decoration to choose green and environmentally friendly materials, and within six months of renovation to avoid children move in. Reduce the contact with benzene, chronic benzene poisoning mainly damage the human hematopoietic system, causing a reduction in the number of white blood cells, platelets induced leukemia, some workers engaged in the production of benzene as chemical raw materials should strengthen labor protection, decoration should choose harmless decoration materials. 3, reasonable use of drugs: children should pay attention to the safety of medication when they are sick, do not abuse drugs, the use of chloramphenicol, cytotoxic anti-cancer drugs, immunosuppressants and other drugs should be careful, do not use long-term. 4. Keep away from radiation: Keep children away from microwave radiation and minimize contact time with cell phones, computers, TVs and other appliances with microwaves to avoid genetic mutations caused by children’s low immunity, which can induce blood-related diseases. People engaged in radiation work should do a good job of personal protection. 5.Appropriate exercise: Take children to parks and green areas with fresh air to do outdoor exercises to enhance children’s physical fitness and improve their immunity. Rural children should avoid direct contact with pesticides, fertilizers and other items. 6, pay attention to health: children eat less processed food, vegetables and fruits should be cleaned before consumption, can be peeled as much as possible after eating.