view.py
ImageFormSet = modelformset_factory(Image,
                                        form=ImageForm, extra=15, max_num=5)

    adsForm = AdvertisementForm(request.POST or None)
    photoSet = ImageFormSet(request.POST or None, request.FILES or None,
                            queryset=Image.objects.none())

    if adsForm.is_valid() and photoSet.is_valid():
        ads_form = adsForm.save(commit=False)
        ads_form.save()

        for form in photoSet.cleaned_data:
            if form:
                image = form['image']
                img_obj = Image(image=image)
                img_obj.save()
                ads_form.hard_image.add(img_obj)
                ads_form.save()
        messages.success(request, "Урра, удачно")
        return HttpResponseRedirect("/")
    return render(request, 'adminpanel/main.html', context={'form': adsForm, 'photo': photoSet})

forms.py

from django import forms

from main.models import Advertisement, Image


class AdvertisementForm(forms.ModelForm):
    sor = (
        ('Sale', 'Продажа'),
        ('Rent', 'Оренда')
    )
    sale_or_rent = forms.ChoiceField(choices=sor)
    location = forms.CharField(max_length=200)
    district = forms.CharField(max_length=7)
    room_number = forms.IntegerField()
    price = forms.IntegerField()
    all_space = forms.CharField(max_length=50)
    living_space = forms.CharField(max_length=50)
    kitchen_space = forms.CharField(max_length=50)
    kitchen_space = forms.CharField(max_length=50)
    house_type = forms.CharField(max_length=20)
    floor = forms.CharField(max_length=15)
    description = forms.CharField(max_length=5000)
    name = forms.CharField(max_length=50)
    phone_number = forms.CharField(max_length=15)

    class Meta:
        model = Advertisement
        fields = ('id', 'description', 'location', 'district', 'room_number', 'price', 'all_space', 'living_space', 'kitchen_space', 'house_type', 'floor', 'description', 'name', 'phone_number', )


class ImageForm(forms.ModelForm):
    image = forms.ImageField(label='Image', widget=forms.FileInput, required=False)

    class Meta:
        model = Image
        fields = ('image', )
main.html
<form id="post_form" action="" method="post" enctype="multipart/form-data">
        {% csrf_token %}
        {% for hidden in form.hidden_fields %}
            {{ hidden }}
        {% endfor %}

        {% for field in form %}
            {{ field }} <br/>
        {% endfor %}

        {{ photo.management_form  }}
        {% for form in photo %}
            {{ form }}
        {% endfor %}
        <input type="submit" name="submit" value="Submit">
    </form>