1.Body weight is basically stable, and the weight gain or loss does not exceed 4 kg in a month. 2.Basically, the body temperature is around 37cC, and the daily temperature change is not more than 1C0. 3.The pulse is around 75 times per minute, usually not less than 60 times and not more than 100 times. 4.Normal adults breathe 16-20 times per minute, and the ratio of the number of breaths to heartbeat is 1:4. Less than 10 or more than 24 times per minute is abnormal. 5.Basically regular stool, 1-2 times a day, if more than 3 consecutive days without stool or more than 4 times a day is abnormal. 6.Total daily food intake should be maintained at about 1-1.5 kg, and it is abnormal to eat more than 3 times of the usual daily food intake or less than 1/3 of the normal food intake for one week in a row. 7.The amount of urine in a day and night is about 1500 ml, and it is abnormal to have more than 2500 ml of urine in 24 hours for 3 consecutive days, or less than 500 ml of urine in a day. 8, adult female menstrual cycle in about 28 days, more than 15 days before and after is not normal.