In the 8th month of pregnancy, if there is a condition of oxygen deficiency, there will be panic and chest tightness. Generally, in the middle and late stages of pregnancy, due to the increase of blood circulation, it will lead to the increase of oxygen consumption of the heart muscle and myocardial ischemia and hypoxia. You can improve the symptoms through oxygen intake, you should also pay attention to bed rest, do not exercise too much, relax, not too nervous, if too nervous, too much pressure, will also aggravate the state of hypoxia, resulting in increased symptoms of heart panic and chest tightness, usually rest is best to take a semi-recumbent position, or supine position, try not to put the head too low, if lying flat will increase the burden on the heart muscle, resulting in If the heart is overburdened, it will aggravate the symptoms of panic and chest tightness, you can moderate the head cushion to reduce the symptoms of panic and chest tightness.