The invention discloses a medical first-aid and emergency monitoring system for a patient. The system comprises a cloud server and a diagnosis and treatment terminal; the cloud server is in communication connection with an external internet and in communication with an external mobile phone at the same time, and after receiving a disease attack signal, the cloud server outputs a warning signal tothe external mobile phone; the diagnosis and treatment terminal is arranged on the portion, close to the heart, of the body of the patient with a heart disease, is also in wireless communication withthe cloud server and comprises a garment body worn on the body of the patient, a heart rate detector, a first-aid device and a controller, wherein the heart rate detector, the first-aid device and thecontroller are arranged on the portion, close to the heart, on the garment body, the heart rate detector and the first-aid device are both coupled to the controller, and the controller is in wirelesscommunication with the cloud server. According to the medical first-aid and emergency monitoring system for the patient, through cooperation of the cloud server and the diagnosis and treatment terminal, the disease attack condition of the patient can be effectively detected, and disease attack of the patient can be treated in time.