Vitamin D2 and vitamin D3 eutectic crystal as well as preparation method and application thereof

The invention relates to a vitamin D2 and vitamin D3 eutectic crystal, a preparation method and application thereof as well as pharmaceutical composition comprising the eutectic crystal. The vitamin D2 and vitamin D3 eutectic crystal has the advantages of high degree of crystallinity and low hygroscopicity and forms neat crystal shape, and the stability is improved remarkably, so that fabrication processing of medicine and improvement of physicochemical properties are facilitated and performance of patent medicine is improved.