How long to tie the chest belt after open heart surgery needs to be judged according to the actual situation of the patient, can not be generalized, usually need to tie about 2-3 weeks. If the patient is young, in good physical condition, with sufficient nutritional supply, and the wound recovers faster, the chest strap needs to be tied for a shorter period of time after the surgery, usually about 2-3 weeks. If the patient is older, in poorer physical condition, unable to provide sufficient nutrition, and the wound recovery is slower, the time needed to tie the chest strap is longer, usually more than 3 weeks. Tying chest strap after chest opening is an important measure to promote early recovery after surgery, how long you need to tie it, it is recommended to consult a professional doctor, and lift the strap under the doctor’s judgment, but do not lift it blindly on your own, which is not conducive to the recovery of the wound, and it is also easy to have an effect on the wound.