Palygorskite supported In2O3/In2S3 composites (PGS-In2O3/In2S3) were prepared by hydrothermal method using In2O3, thioacetamide and palygorskite as raw material. The composition and internal structure of composites were characterized by XRD, SEM, TEM, BET and UV-vis DSR. Its electrochemical impedance spectroscopy was tested by electrochemical workstation. The performance of PGS-In2O3/In2S3 with different PGS mass fraction, ion interference and cycling performance were studied in photocatalytic degradation of methyl orange (MO). The results indicate that the agaric-like nanosheets of In2S3 and needle-like palygorskite are attached on the surface of particles In2O3 in PGS-In2O3/In2S3. And the composites exhibits stronger light absorption in the range of 200-580 nm. 50%PGS-In2O3/In2S3 with 50% mass feaction of PGS has the highest photocatalytic activity for degradation of MO. The photodegradation rate of 20 mg/L MO is 98.9% by 20 mg of 50%PGS-In2O3/In2S3 for 30 min under visible light. The main active species are ?O2? and h+ in photodegradatlon reaction. Except for H2PO4-, the common ions in solution have no effect on photodegradation of MO including Na+ and Cl-. Moreover, the composites show better physical adsorption and photocatalytic degradation for various dyes including malachite green (MG), Rhodamine B (RhB), crystal violet (CV) and methylene blue (MB). The built-in electric field reduces the recombination of In2O3/In2S3 photogenerated carriers between acidified palygorskite and In2O3/In2S3. It is the key to 50%PGS-In2O3/In2S3 having good photocatalytic activity for dye degradation.