This paper aims to put consideration of the house environment preparation for the severely mentally and physically handicapped children in shape. For this objective, fourteen children chosen from three different environments were surveyed by means of collecting communication-samples, interviewing with guardians and observations. Findings are as follows. 1) They are very aggressive to realize their interest-wants, and their realization behavior can be grouped into five patterns. 2) In their acquisition process of communication skills, each skill was affected by human element or material element or survices. 3) In present environment, it is important to get rid of preventions on each realization behavior pattern.