The invention discloses a 
human body posture behavior intelligent analysis and recognition method. The method comprises the following steps: collecting sample video data; extracting all joint points of each 
human body in each frame of image in the sample video, and connecting all joint points of each 
human body in a segmented and partial manner; connecting the same 
joint point of each human body in two adjacent frames of images to form a space-time diagram of each human body skeleton framework; classifying the behaviors by adopting a SoftMax classifier, and dividing behavior feature categories; performing 
deep learning according to the divided behavior feature categories, and training a behavior analysis model; collecting a human 
body posture behavior video to be analyzed, extracting a space-time diagram of each human body skeleton framework in the video, inputting the space-time diagrams into the behavior analysis model, and analyzing the behavior category of each human body in the video by the behavior analysis module. 
Human body posture behaviors are analyzed and recognized through 
feature extraction, behavior modeling and behavior classification, and the accuracy is high.