Silicon phthalocyanine complex, and preparation method and pharmaceutical application thereof

The present invention relates to a silicon phthalocyanine complex, and a preparation method and pharmaceutical application thereof. In particular, the present invention relates to a silicon phthalocyanine complex represented by general formula (I) and a preparation method thereof, a pharmaceutical composition comprising the complex, and uses thereof as a photosensitizer, especially for cancer treatments. Substituents in the general formula (I) are respectively the same as definitions in the specification.