Infant and child health and child care measure the vertical distance between the measured body height (long) and the human skull to the bottom. The concept of a human body height (long body) generally requires an under-three-year-old child to be arraigned, known as a “long” child above the age of 3 years, and one of the most basic morphological indicators of growth and development in the sense of “high” (long) height, reflecting the long-term nutritional status of the child. First, the younger the regular increase in the number of infants and young children, the faster they grow. (a) the pattern of long growth is the second “growth peak” with an average of approximately 50 cm per child 1 year; knowledge review i, the growth in infant and young child height ii, methods for measuring infant and young child height (i) preparation (ii) measurement steps (iii) attention
