After men and women fall in love, with the warming of feelings, there will be physical contact slowly. Hugs and kisses have become a natural response to dating. In the process of kissing, the moment of' forgetting' will increase the intensity of kissing and leave a hickey on the kissed part of the other party. The romantic name of the hickey is' strawberry print'. The cause of the hickey "strawberry print" is that the skin is congested when kissing. Especially in the neck, chest and other delicate parts, because of hard kissing, it is easy to form strawberry-like hickeys. For the sake of the personal public image of both sides, it is better to be cautious in the process of kissing.