Medical care refers to some people who illegally engage in medical activities. They usually use illegal means to attract patients to seek medical treatment and gain benefits from it. In some cases, medical treatment is in collusion with some improper doctors or medical institutions. This collusion includes: medical service providers provide resources to patients in exchange for kickbacks or other benefits; Doctors will recommend patients for medical treatment to get extra income; Medical treatment will also provide doctors with false medical records or diagnosis results, help doctors to falsify and so on.