This question seems humorous or misunderstood. In fact, there is no direct relationship between Huang Xiaoming and Youmai. If you want to answer "Why is Huang Xiaoming oily?" First of all, we need to clarify all possible understandings of this problem.

Understanding 1: Why did Huang Xiaoming choose oil wheat dishes? If this question is about Huang Xiaoming's dietary preference, we don't know why he chose oily wheat dishes in particular. Green leafy vegetables, such as oil wheat vegetables, are rich in vitamins and minerals and are very healthy ingredients. Maybe Huang Xiaoming just likes its taste and nutritional value.

Understanding 2: What is the connection between Huang Xiaoming and Youmaicai? If this question is looking for some connection between the two, then we may need to find some specific background information. For example, has Huang Xiaoming ever mentioned oil wheat vegetables in his life, or has he ever planted oil wheat vegetables? So far, there is no direct connection between Huang Xiaoming and Youmaicai in the public information.

Understanding 3: How to use "Huang Xiaoming" to make oily wheat dishes? If this is an innovative cooking problem, then we can try to create a recipe for oily wheat dishes under the name of Huang Xiaoming. For example, "Huang Xiaoming Youmaicai" may be a Youmaicai made with a specific seasoning or cooking method, and may draw lessons from Huang Xiaoming's taste preference or hometown cooking style.

Generally speaking, due to the lack of specific background and situation, we can only guess and assume the question "Why are there oil wheat dishes in Huang Xiaoming". From the above analysis, we can see that the choice of diet is personal, and the dietary preference of stars is often influenced by personal tastes, health needs and cultural background.