Whether it is working at home, or home entertainment, everyone wants to carry out in the most comfortable way, but often the seat at home for a long time will inevitably feel pp pain, or lumbar discomfort, or even because of long-term sitting led to a series of lumbar spine diseases. So what can you do to avoid, or even alleviate, the discomfort of sitting? Many people will think of changing seats, and the chair lift can help us solve this problem to a certain extent, but is the chair lift safe?