Have you ever seen the movie. Big Hero 6 ? Baymax(大白) is a main character in the movie. He's a friendly big robot that looks after people's health. If there is a robot like Baymax in our real life， people will get more benefits. The robot will be especially helpful in caring for the old. The health of old people needs greatermonitoringand care.
Scientists in America are now working to make Baymax a really(实现)- Actually. They have already produced some health care robots. These robots provide brain video games to improve people's memory. The garner can help the old remember things for longer. Besides， these provide special app (应用程序） to help the old manage their health at home. The apps can check the old people' heart rate (心率) and tell them to take their medicine on lime. The apps can also record their daily activities. Such collected information helps doctors discover the cause of an illness faster and more correctly. But the health care robots are't as clever as Baymax yet.
Nowadays，scientists are working on improving the health care robots. They pope the robots can produce electricity by walking across the floor. If they succeed. batteries will not be needed. They also hope the robots communicate with humans in the daily life so to make people happier and healthier.
Scientists are trying to realize these dreams. Like Baymax， these health care robots may save people's lives in the future. We are looking forward to them.
