You know, the reason why mosquitoes bite and suck blood is because mosquitoes have to ensure that they lay eggs, and all the biting people are female mosquitoes. That's because only by sucking human blood can mosquitoes have enough nutrition to lay eggs smoothly, but there is no data showing that mosquitoes suck human blood according to human blood type.
But according to the data of scientific investigation, mosquitoes do have a special liking for a certain kind of human feelings. For example, people with developed sweat glands are always prone to sweat and have a heavy sweat smell. These people are easy to attract mosquitoes, because mosquitoes will be attracted by their sweat. More developed sweat glands will also increase lactic acid in the blood and make mosquitoes prefer to bite such people.
Another person has a high temperature. You should know that mosquitoes are sensitive to temperature. If you think the temperature of the object around you is too high, you will attract it. There are also people with faster metabolism, which is one of the main reasons why children always like to attract mosquitoes and old people are less likely to be bitten by mosquitoes.
In a word, it is nonsense to say that mosquitoes bite people according to their blood type. We still don't believe it. In addition, mosquito repellent work should be done in summer. We can apply toilet water to all parts of the body in advance or light mosquito-repellent incense in the sleeping bedroom. These are very effective mosquito repellent methods.