Question

why is the neem tree called a village pharmacy?

Answer 1

$\orange{hey\:mate}$
The neem tree is known as the village pharmacy and  also called "heal all"
due to it's ability to use for many medicinal purpose 
like the twigs of the Neem can be used to clean the teeth  , also it is very helpful for inflammation and hypertension along with ulcer. It has capability to fight the malaria as well as the diabetes.

It is  also the very good insect repellent and can purify the blood.. Additionally this tree is a good pesticide so protect the crops from insects etc.
$\orange{hope\:it\:helps}$