A series of examinations for developmental delay, broadly speaking, include a series of examinations of physical development, physical growth, and some evaluations of neuropsychological development, and the specific methods are as follows: 1. Evaluation of physical growth: The level of developmental examination is to compare the measured value of physical growth indicators with the reference value, and to obtain the position of the tested child in the population, which is the level of its growth and development. The speed of growth and development is also derived from the measurement, the evaluation of growth speed is more realistic than the level of development to understand the growth of children, the growth of children with normal growth speed is basically normal growth, the degree of proportionality is to assess the relationship between physical growth and development; 2, the evaluation of neuropsychological development: called psychological testing, including ability testing and adaptive behavior testing, specifically including ability testing There are Denver Developmental Screening Method and the Painted Man Test, and the Adaptive Behavior Test is a graded determination of intelligence; 3, other tests: such as blood tests, growth hormones, thyroid function and trace elements, etc., which can be selected according to the specific situation. In addition to the above tests, there are special assessment methods for children with neuropsychological developmental delays, which should be evaluated clinically according to the specific situation of the child.