The invention discloses mayonnaise and a making method thereof. The mayonnaise is characterized by comprising yolk, as well as components in percentage by mass of the yolk of 9-11% of honey, 2-3% of lemon juice and 0.5-1% of table salt. The mayonnaise is prepared through the following steps of cleaning fresh poultry eggs with running water, performing drying by airing, performing shell removal, and performing separation of beaten eggs so as to obtain the yolk; adding the honey, the lemon juice and the table salt to the yolk, performing uniform stirring, and performing homogenizing so as to obtain mayonnaise mixed liquid; and loading the mayonnaise mixed liquid in a superhigh pressure special bag, and performing superhigh pressure treatment at 300-600Mpa for 5-10min so as to obtain the mayonnaise. The mayonnaise has the advantages that a superhigh pressure technology is adopted for making the mayonnaise, so that under the condition that fat is not added additionally, the mayonnaise hasfavorable texture and stability; besides, the superhigh pressure technology has the effect of sterilization; based on smooth and rich mouth feel of conventional mayonnaise, the mayonnaise has the characteristics of being safe and nutritive, reducing energy absorption and the like; and the superhigh pressure technology is a good substitute of a making and thermization manner of the conventional mayonnaise.