Homeless youth and children are those under 18 years old, that left their home and streets become their home. Streets expose themselves to many risks, leave them some wounds and physical injuries. Objective: Understand the wound meaning to homeless youth and children and how they treat them. Methodology: Qualitative, ethnographic research. 30 interviews were carried out, and a social cartography with youth and children was performed. Information was encoded and grade, conceptual maps were made. Results: Wounds were divided into mild and severe. Severity was related with the chance to die and whose need health care. Mild wounds are those which do not harm internal organs, are treat successfully with cultural treatment. Avoid hospital care because they are stigmatized and infected. Wound become scars, that mean prevention a revenge learning. Conclusion: Effectiveness in the approach to obtain trustworthy information; cultural ignorance by hospitals; cleaning importance of who carry out the health care and not who have the wounds.