To prevent premature fruit drop, it's essential to provide your avocado tree with proper care, including consistent watering, adequate nutrients especially potassium ( Lack of potassium results into fruit drop ) and a healthy environment ( avocado are sensitive too drought, extreme heat ,and cold snaps can cause the tree to shed it's fruit as a survival mechanism) If you suspect that pests or diseases are causing the problem, Inspect your tree for signs of pest damage or disease and share the details here for more Discussion.