| Summary | 
                An oil body carrier, its uses in target therapy and/or detection, and a fusion protein comprised therein are provided. The oil body carrier comprises  a) the fusion protein, comprising a oil body protein and a ligand peptide, an antibody peptide, a cell penetrating peptide, or a combination thereof, and   a2) a lipid,  wherein the weight/volume (μg/μl) ratio of the fusion protein and the lipid is at least about 1/25, and the average particle size of the oil body carrier is about 10 nm to about 2,000 nm.  |