There are provided an enteric coating composition having an excellent film-forming property, being capable of forming a film at a lower temperature than conventional compositions, and/or being capable of avoiding decomposition of a drug due to a high temperature and operational troubles due to or nozzle clogging； and others. More specifically, there are provided an enteric coating composition containing hypromellose acetate succinate having a molar substitution of hydroxypropoxy groups of 0.40 or more, and water； a method for producing a solid preparation including steps of coating a drug-containing core with the enteric coating composition to obtain a coating layer, and drying the coating layer； and a solid preparation containing a drug-containing core, and a coating layer directly or indirectly on the core, the coating layer containing a hypromellose acetate succinate having a molar substitution of hydroxypropoxy groups of 0.40 or more.
