social issue：there have high number of people sudden death from heart disease, there also have many of them could alive if have medicin or intravenous injection in time. this medical box is designed for these people. if heart disease patient fell uncomfortable or pass out at street, every one could help them alive by give them medicin in time. in this medical box there have 4 space to place tablets and other side there have intravenous injection needle tubing and injection medicament. this some fact about people who have heart disease Number of noninstitutionalized adults with diagnosed heart disease: 27.1 million. Percent of noninstitutionalized adults with diagnosed heart disease: 11.8%. There are 250,000 to 450,000 sudden cardiac arrests each year in the United States. There are over 450,000 sudden cardiac arrests each year in China.