The drug stability test chamber is specially used in the pharmaceutical industry to conduct drug stability investigation tests to determine the validity period of drugs. It meets the long-term, accelerated and intermediate tests in the National Pharmacopoeia, FDA, ICH and other relevant standards, and also meets the 40℃, 20%RH low-humidity test for special drugs such as large infusions. Drug stability test chambers are used for intensive research in the pharmaceutical industry, medicine, biotechnology industry and all related industries including life sciences. Requirements of GMP principle 25℃/60%RH humidity long-term stability test conditions. In the accelerated test, the humidity of 40℃/75%RH is tested for 6 months. It is the field of stability test system in the pharmaceutical industry.