Heat shock protein less than or equal to 110ng/ml belongs to the normal range, malignant tumors, infections, etc. can cause heat shock protein increase. 1. Malignant tumors: Heat shock protein is a human cell protein, which can be used as a tumor marker for some cancers, such as breast cancer, lung cancer, liver cancer, pancreatic cancer, rectal cancer and other tumor screening. It should be noted that heat shock protein can not be used as a specific marker for cancer. A higher heat shock protein in the clinic does not determine that it is cancer, but only indicates that there is a risk of cancer. 2. Benign diseases: Heat shock protein is a human heat stress protein, which is synthesized by the human body to protect itself when exposed to high temperatures, and it can even be elevated under psychological stress. In addition, in some benign diseases such as bacterial infections, viral infections, physical injuries, etc., there will also be heat shock protein increased phenomenon. Therefore. However, if the test results are abnormal, you should consult a doctor in time.