MENTAL PHYSIOLOGY AS A SCIENCE THAT RELATES PHYSIOLOGICAL ACTIVITIES AND PSYCHOLOGICAL PROCESSES IN HUMAN, REVIEWS MANY HUMAN MENTAL PROCESSES SUCH AS MEMORY, EMOTION AND ETC. IN THIS ARTICLE IN ORDER TO DESCRIBE HOW TO DESIGN SPECIAL ARCHITECTURE SPACES FOR CHILDREN, PHYSIOLOGICAL PSYCHOLOGY FACTORS SUCH AS ABILITIES, LANGUAGE, EMOTIONS, ETHICS, GENDER, AND SOCIAL SKILLS IN CHILDREN HAS BEEN STUDIED. SAMPLES OF THE DESIGN PROPOSED IN THIS PAPER ARE ENTIRELY IN LINE WITH THE CHILDREN’S SENSITIVE AND CURIOUS SPIRIT. CONSIDERING ALL THESE FACTORS, IMPROVING THE CHILD'S SUITABLE GROWTH ENVIRONMENT IS INFLUENCED BY THE DESIGNERS WHO ARE IN AN EFFORT TO MEET THE COMPREHENSIVE NEEDS OF ALL CHILDREN AND GIVE PEACE AND SAFETY COMBINED WITH CREATIVITY TO THE PHYSICAL SPACE OF THE CHILDREN’S ENVIRONMENT. THIS DESIGN HELPS TO MANAGE THE FLEXIBLE SUITABLE ENVIRONMENTS FOR CHILDREN; AND THIS PSYCHOLOGICAL ATTENTION TO CHILDREN'S WORLD, BEYOND THE BOUNDARIES OF ARCHITECTURE AND URBAN PLANNING, GIVES THEM A DEEP QUALITY.