Shu secret capsule can and norfloxacin can be taken together. Shu secret capsule belongs to Chinese patent medicine, the main ingredient is aloe vera, used for constipation patients. Norfloxacin belongs to the quinolone class of antibacterial drugs, through the inhibition of DNA synthesis and replication and lead to bacterial death. The mechanism of action of the two drugs is different, and the adverse reactions will not be superimposed, so they can be taken together. The adverse reactions and contraindications of Shu secret capsule are not clear, note that pregnant women should be cautious. Gastrointestinal adverse reactions after norfloxacin administration are more common, manifested as abdominal pain and diarrhea, nausea and vomiting and other symptoms; renal impairment is occasionally seen, manifested as hematuria, fever and other symptoms; it may also lead to phlebitis, photosensitivity reactions, Achilles tendon rupture and other symptoms. Note that it is forbidden for those who are allergic to this product or quinolones. Patients should use the drug under the guidance of a professional physician, do not use the drug without authorization.