diff --git a/src/contents/safety.tsx b/src/contents/safety.tsx
index 15c9585e8176029a1f50ae88f748a0d15b0323da..3b650e9cf5e459d20778eb4c1f17026c2c5c509e 100644
--- a/src/contents/safety.tsx
+++ b/src/contents/safety.tsx
@@ -113,6 +113,9 @@ Various equipment in the laboratory will undergo regular maintenance and be prom
 <h3>3.2.3  Laboratory safety</h3>
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 <p className="indent">The building where the laboratory is located has emergency passages, fire exits, fire equipment, and emergency lighting devices; and our colleagues in the Experimental Group also remember how to quickly escape from the scene when any safety accident occurs to ensure their own safety;There is also a first aid medicine storage area in the corridor for easy use when necessary.</p>   
+<h3>3.2.4Laboratory waste treatment</h3>
+<p className="indent">According to the "Regulations on the Management of Medical Waste" of the State Council and the "Measures for the Management of Medical Waste in Medical and Health Institutions" of the former Ministry of Health, we manage laboratory waste from the following aspects: â‘  Designate a dedicated person in the laboratory to be responsible for and coordinate the management of various types of waste; â‘¡ Establish waste classification, isolation, packaging, transportation, storage, and disposal procedures in the laboratory; â‘¢ Members of the Experimental Group should correctly dispose of waste to their respective garbage bins, and all solutions and plates should be marked; â‘£ Strictly follow the waste disposal system and procedures, and have processing records.</p>
+<p className="indent">We also have a special waste treatment process for bacteria and other microorganisms, as shown in the figure:</p>             
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