Formaldehyde has not been reported to be harmful to the heart, but mainly formaldehyde can cause serious respiratory toxicity or carcinogenic toxicity and heavy irritation to mucous membranes. Some people who inhale formaldehyde for a long time will gradually develop dizziness, headache, reduced immunity or neurasthenia, and depression. The damage to liver cells is also very heavy, and for the blood system is also prone to serious malignant tumors, and reproductive toxicity is also more likely to cause sperm abnormalities in the offspring. Formaldehyde damage relative to the heart, there are not many reports, but the general public as long as there is the possibility of exposure to formaldehyde, must pay attention to try to get out of the environment with formaldehyde.