The invention discloses a depression evaluating 
system and method based on a 
heart rate variability analytical method, particularly a depression evaluating 
system and method in a 
perinatal period. The depression evaluating 
system comprises a data storage module used for storing electrocardio and 
pulse wave signals, a peak detecting module used for acquiring a peak 
point sequence of recording data, a data correcting module used for acquiring sinus beat NN 
interval sequence, a 
heart rate variability curve acquiring module used for acquiring a 
heart rate variability curve, an HRV analyzing module conducting 
time domain analysis, 
frequency domain analysis and nonlinear analysis, a 
feature parameter selecting module used for selecting a 
feature parameter from HRV parameters, a modeling module used for obtaining a 
perinatal period depression classification model, and a model applying module used for inputting the data of a testee into the classification module to obtain a depression degree. By means of the depression evaluating system and method based on the heart rate variability analytical method, degree quantitative evaluation of 
perinatal period depression is achieved, a scientific research method of the depression based on the technical field of physiological information examination is enriched, a test is simple and practicable, medical resources can be effectively saved, and good clinical practicality is achieved.