The present disclosure relates to novel crystalline forms of compound (I) and processes for preparation and use thereof. Crystalline forms CS3, CS2, CS5 and CS8 of compound (I) of the present disclosure have advantages in at least one aspect of solubility, stability, melting point, hygroscopicity, particle size, bioavailability, processability, purification effect, flowability, adhesiveness, stability in drug product, in vitro and in vivo dissolution, etc., which provides new and better choices for preparation of drug product containing compound (I) and has significant values for future drug development.
