There is a very small blood-red bug on the bed sheets. It bites people and causes a small red dot. It is a bit itchy. It will stop itching after a while. What kind of bug is this?

This tiny, blood-red bug may be a bed bug. They usually live in warm places such as beds, sofas, blankets, etc., and feed on the blood of humans and other animals. Bed bug bites on human skin can cause redness, swelling, itching and other uncomfortable symptoms, but they do not spread disease. If you find bed bugs on your bed, it is recommended to take the following measures immediately:

1. Clean all clothes, bedding, pillows, etc. on the bed with high-temperature water.

2. Use a vacuum cleaner to thoroughly clean mattresses, bed frames, carpets and other floors.

3. Expose mattresses, bed frames, etc. to the sun and wipe them with disinfectant.

4. If the situation is serious, consider using pesticides or hiring a professional pest control company.

Please note that prompt removal of bed bugs can help ensure good health and a comfortable sleep.