You can drink together.
Mix soy milk and hot milk to drink. This mixing method is often opposed by some people who are keen on "food conflict", but in fact this method is not only harmless, but also improves the nutritional value due to protein complementation. However, if you don’t like the odor, you can drink it separately.
Soybean Milk is a traditional drink of the Chinese Han people. The earliest soybean milk was made by Liu An, King of Huainan in the Western Han Dynasty. Soybeans are soaked in water, then ground, filtered and boiled. Soy milk is very nutritious and easy to digest and absorb. Different from Western milk, soy milk is a food with Chinese national characteristics and is widely popular in Chinese areas.
Extended information:
Soy milk is a favorite drink of the Chinese people and a nutritious food suitable for all ages. It enjoys the reputation of "plant milk" in Europe and the United States. Soy milk is rich in plant protein and phospholipids, as well as vitamins B1, B2 and niacin. In addition, soy milk also contains iron, calcium and other minerals, especially the calcium it contains, which is very suitable for all kinds of people, including the elderly, adults, teenagers, children, etc.
Reference material: People's Daily Online - 8 things to pay attention to when drinking soy milk. Can soy milk and milk be drunk at the same time?