According to Tencent News, some hospitals and clinics in Lin 'an, Hangzhou provide this service. Lin 'an People's Hospital: This hospital provides door-to-door service of hanging salt water. You can make an appointment by phone, or you can go directly to the hospital for consultation and appointment. Lin 'an Traditional Chinese Medicine Hospital: This hospital also provides home visits with salt water. You can make an appointment by phone, or you can go directly to the hospital for consultation and appointment.

In clinic, hanging salt water mainly plays a role in rehydration to the body. Gluttony is widely used, such as dehydration caused by acute gastroenteritis or severe vomiting. At this time, it is necessary to replenish liquid in time to maintain the balance of water and electrolyte in the body and make it return to normal.