Daily weight fluctuations of about 1~2kg may be normal, with large individual variations, which are greatly influenced by age, gender, diet and other factors. The human body’s daily weight will have certain changes, with exercise, eating, drinking, excretion and other circumstances and produce certain fluctuations, daily weight fluctuations of about two kilograms or less than two kilograms is generally normal. In the case of intake and consumption are more or less the same as in the past, the weight continues to grow or drop more obvious need to consider whether the body has a disease, at this time, it is recommended to immediately go to the hospital for further examination, so as to clarify the causes of abnormal weight changes.